British Journal of Radiology

Article	Citations
Understanding breast cancer as a global health concern	270
Radiomics: from qualitative to quantitative imaging	161
CAD and AI for breast cancer—recent development and challenges	98
Artificial intelligence in diagnostic imaging: impact on the radiography profession	89
Pneumothorax rates in CT-Guided lung biopsies: a comprehensive systematic review and meta-analysis of risk factors	78
The abscopal effect 67 years later: from a side story to center stage	70
Prostate MRI quality: clinical impact of the PI-QUAL score in prostate cancer diagnostic work-up	43
Nuclear medicine and molecular imaging advances in the 21st century	42
Biology-guided radiotherapy: redefining the role of radiotherapy in metastatic cancer	41
An update on effects of ionizing radiation exposure on the eye	41
A study of using a deep learning image reconstruction to improve the image quality of extremely low-dose contrast-enhanced abdominal CT for patients with hepatic lesions	40
Reporting incidental coronary, aortic valve and cardiac calcification on non-gated thoracic computed tomography, a consensus statement from the BSCI/BSCCT and BSTI	39
Novel imaging biomarkers: epicardial adipose tissue evaluation	37
Development and application of artificial intelligence in cardiac imaging	36
One end to rule them all: Non-homologous end-joining and homologous recombination at DNA double-strand breaks	35
Immunotherapy-related adverse effects on 18F-FDG PET/CT imaging	33
Imaging of COVID-19 pneumonia in children	32
Radiation risk issues in recurrent imaging	32
Diagnostic performance of deep learning-based vascular extraction and stenosis detection technique for coronary artery disease	30
Improving rib fracture detection accuracy and reading efficiency with deep learning-based detection software: a clinical evaluation	29
Imaging of COVID-19 pneumonia: Patterns, pathogenesis, and advances	29
The diagnostic performance of CESM and CE-MRI in evaluating the pathological response to neoadjuvant therapy in breast cancer: a systematic review and meta-analysis	29
Particle therapy in the future of precision therapy	28
Quantitative diffusion and perfusion MRI in the evaluation of endometrial cancer: validation with histopathological parameters	28
Rectal spacer hydrogel in 1.5T MR-guided and daily adapted SBRT for prostate cancer: dosimetric analysis and preliminary patient-reported outcomes	27

Clinical and radiological features of immune checkpoint inhibitor-related pneumonitis in lung cancer and non-lung cancers	27
Multiparametric MRI with diffusion-weighted imaging in predicting response to chemotherapy in cases of osteosarcoma and Ewing’s sarcoma	27
A systematic review and meta-analysis comparing the diagnostic accuracy of initial RT-PCR and CT scan in suspected COVID-19 patients	27
Lung MRI with hyperpolarised gases: current & future clinical perspectives	26
Radiomic signatures derived from multiparametric MRI for the pretreatment prediction of response to neoadjuvant chemotherapy in breast cancer	25
Epidemiological studies of CT scans and cancer risk: the state of the science	25
Mammography-based radiomics nomogram: a potential biomarker to predict axillary lymph node metastasis in breast cancer	25
What’s New for Clinical Whole-body MRI (WB-MRI) in the 21st Century	24
History and current perspectives on the biological effects of high-dose spatial fractionation and high dose-rate approaches: GRID, Microbeam & FLASH radiotherapy	24
Artificial intelligence in paediatric radiology: Future opportunities	24
Staging of bladder cancer with multiparametric MRI	24
Deep learning based classification of solid lipid-poor contrast enhancing renal masses using contrast enhanced CT	23
Non-oncologic incidental uptake on FAPI PET/CT imaging	23
Canonical DNA non-homologous end-joining; capacity versus fidelity	23
Automated detection of pneumonia cases using deep transfer learning with paediatric chest X-ray images	23
Bad neighbours: hypoxia and genomic instability in prostate cancer	23
Radiology for medical students: Do we teach enough? A national study	22
Magnetic resonance image-guided adaptive stereotactic body radiotherapy for prostate cancer: preliminary results of outcome and toxicity	22
Low-dose whole-body CT using deep learning image reconstruction: image quality and lesion detection	22
Low-dose radiation therapy for COVID-19 pneumonia: a pilot study	21
Evolution of radiation protection for medical workers	21
A hypothesis: radiation carcinogenesis may result from tissue injuries and subsequent recovery processes which can act as tumor promoters and lead to an earlier onset of cancer	21
Knockdown of lncRNA BLACAT1 enhances radiosensitivity of head and neck squamous cell carcinoma cells by regulating PSEN1	20
FLASH irradiation induces lower levels of DNA damage ex vivo, an effect modulated by oxygen tension, dose, and dose rate	20
Prostate MRI quality: a critical review of the last 5 years and the role of the PI-QUAL score	20
Tumor radiomic features complement clinico-radiological factors in predicting long-term local control and laryngectomy free survival in locally advanced laryngo-pharyngeal cancers	20
Vulnerable plaque imaging using 18F-sodium fluoride positron emission tomography	20
Multiparametric ultrasound and micro-ultrasound in prostate cancer: a comprehensive review	20
Deep learning-based artificial intelligence applications in prostate MRI: brief summary	20
Increased visceral adipose tissue in clear cell renal cell carcinoma with and without peritumoral collateral vessels	19
MR texture analysis in differentiating renal cell carcinoma from lipid-poor angiomyolipoma and oncocytoma	19
Non-invasive evaluation for benign and malignant subcentimeter pulmonary ground-glass nodules (≤1 cm) based on CT texture analysis	19
Retrospective motion correction in foetal MRI for clinical applications: existing methods, applications and integration into clinical practice	19
Harnessing brain waves: a review of brain magnetic resonance elastography for clinicians and scientists entering the field	19
Imaging features based on Gd-EOB-DTPA-enhanced MRI for predicting vessels encapsulating tumor clusters (VETC) in patients with hepatocellular carcinoma	18
Radiomics features on ultrasound imaging for the prediction of disease-free survival in triple negative breast cancer: a multi-institutional study	18
Photon-counting detector CT: early clinical experience review	18
Pulmonary thromboembolism in hospitalised COVID-19 patients at moderate to high risk by Wells score: a report from Lombardy, Italy	18
Radiomics in cervical and endometrial cancer	18
Total tumor burden in lymphoma – an evolving strong prognostic parameter	18
Photon-counting detector coronary CT angiography: impact of virtual monoenergetic imaging and iterative reconstruction on image quality	18
Ovary: MRI characterisation and O-RADS MRI	18
Machine learning-based CT radiomics features for the prediction of pulmonary metastasis in osteosarcoma	18
3d tissue models as tools for radiotherapy screening for pancreatic cancer	18
COVID-19 mimics on chest CT: a pictorial review and radiologic guide	18
Diversity and inclusion in radiology: a necessity for improving the field	17
Diagnostic accuracy of Doppler ultrasound, CT and MRI in Budd Chiari syndrome: systematic review and meta-analysis	17
Imaging CXCR4 receptors expression for staging multiple myeloma by using 68Ga-Pentixafor PET/CT: comparison with 18F-FDG PET/CT	17
Clinical quantitative MRI and the need for metrology	17
Comparison of Likert and PI-RADS version 2 MRI scoring systems for the detection of clinically significant prostate cancer	17

The effect of capped biparametric magnetic resonance imaging slots on weekly prostate cancer imaging workload	17
Automated Monte-Carlo re-calculation of proton therapy plans using Geant4/Gate: implementation and comparison to plan-specific quality assurance measurements	17
Brain metastases: the role of clinical imaging	17
Imaging findings in coronavirus infections: SARS-CoV, MERS-CoV, and SARS-CoV-2	17
Long-term outcome of indigenous 177Lu-DOTATATE PRRT in patients with Metastatic Advanced Neuroendocrine Tumours: a single institutional observation in a large tertiary care setting	17
Volumetric modulated arc therapy (VMAT): a review of clinical outcomes—what is the clinical evidence for the most effective implementation?	17
Performance of virtual non-contrast images generated on clinical photon-counting detector CT for emphysema quantification: proof of concept	16
Heavy charged particle beam therapy and related new radiotherapy technologies: The clinical potential, physics and technical developments required to deliver benefit for patients with cancer	16
Survival prediction for oral tongue cancer patients via probabilistic genetic algorithm optimized neural network models	16
Focal nodular marrow hyperplasia: Imaging features of 53 cases	16
Noninvasive CT radiomic model for preoperative prediction of lymph node metastasis in early cervical carcinoma	16
Real-time markerless tumour tracking with patient-specific deep learning using a personalised data generation strategy: proof of concept by phantom study	16
Helical tomotherapy with a complete-directional-complete block technique effectively reduces cardiac and lung dose for left-sided breast cancer	16
The 20th Gray lecture 2019: health and heavy ions	16
Data drift in medical machine learning: implications and potential remedies	16
Deep learning in structural and functional lung image analysis	16
Overview of MRI for pulmonary functional imaging	15
BioXmark® liquid fiducial markers for image-guided radiotherapy in muscle invasive bladder cancer: a safety and performance trial	15
Comparison of time-of-flight MR angiography and intracranial vessel wall MRI for luminal measurements relative to CT angiography	15
A half-century of innovation in technology—preparing MRI for the 21st century	15
Intrafractional fiducial marker position variations in stereotactic liver radiotherapy during voluntary deep inspiration breath-hold	15
Impact of PI-RADS Category 3 lesions on the diagnostic accuracy of MRI for detecting prostate cancer and the prevalence of prostate cancer within each PI-RADS category: A systematic review and meta-an	15
Comparison between skeletal muscle and adipose tissue measurements with high-dose CT and low-dose attenuation correction CT of 18F-FDG PET/CT in elderly Hodgkin lymphoma patients: a two-cen	15
Current progress and quality of radiomic studies for predicting EGFR mutation in patients with non-small cell lung cancer using PET/CT images: a systematic review	15
MRI findings in-between leiomyoma and leiomyosarcoma: a Rad-Path correlation of degenerated leiomyomas and variants	15
Toxicity reduction required for MRI-guided radiotherapy to be cost-effective in the treatment of localized prostate cancer	15
Diagnostic performance of qualitative and radiomics approach to parotid gland tumors: which is the added benefit of texture analysis?	15
18F-FDG PET/CT Manifestations of IgG4-related Disease	15
Advanced cardiac magnetic resonance imaging in takotsubo cardiomyopathy	15
Predicting clinical outcomes in COVID-19 using radiomics on chest radiographs	15
CT-guided radiofrequency ablation of osteoid osteoma: established concepts and new ideas	15
Influence of a novel deep-learning based reconstruction software on the objective and subjective image quality in low-dose abdominal computed tomography	15
Stereotactic body radiotherapy (SBRT) in metachronous oligometastatic prostate cancer: a systematic review and meta-analysis on the current prospective evidence	15
Multiparametric quantitative analysis of tumor perfusion and diffusion with 3T MRI: differentiation between benign and malignant soft tissue tumors	14
Gallbladder cancer revisited: the evolving role of a radiologist	14
Total-body PET: a new paradigm for molecular imaging	14
Radiation protection perspective to recurrent medical imaging: what is known and what more is needed?	14
Impact of CT convolution kernel on robustness of radiomic features for different lung diseases and tissue types	14
Radiology teaching improves Anatomy scores for medical students	14
Diagnostic and procedural intraoperative ultrasound: technique, tips and tricks for optimizing results	14
A CT-based radiomics nomogram for predicting prognosis of coronavirus disease 2019 (COVID-19) radiomics nomogram predicting COVID-19	14
A comparison of the fusion model of deep learning neural networks with human observation for lung nodule detection and classification	14
Emerging strategies to target cancer metabolism and improve radiation therapy outcomes	14
A CT-based radiomics nomogram for differentiation of renal oncocytoma and chromophobe renal cell carcinoma with a central scar-matched study	14
Cumulative radiation doses from recurrent PET–CT examinations	14
Multimodality cardiac imaging in the 21st century: evolution, advances and future opportunities for innovation	14
Qualitative analysis of contrast-enhanced ultrasound in the diagnosis of small, TR3–5 benign and malignant thyroid nodules measuring ≤1 cm	14
Ultrasound-based radiomics nomogram for differentiation of triple-negative breast cancer from fibroadenoma	14
Biomarkers of pituitary macroadenomas aggressive behaviour: a conventional MRI and DWI 3T study	14
Diagnostic accuracy of contrast-enhanced digital mammography in breast cancer detection in comparison to tomosynthesis, synthetic 2D mammography and tomosynthesis combined with ultrasound in women wit	14
Diagnostic accuracy of a commercially available deep-learning algorithm in supine chest radiographs following trauma	14
The role of CT, PET-CT, and MRI in ovarian cancer	14
Prostate-specific membrane antigen (PSMA) fusion imaging in prostate cancer: PET–CT vs PET–MRI	14
The application of radiomics in laryngeal cancer	13
A prediction model for degree of differentiation for resectable locally advanced esophageal squamous cell carcinoma based on CT images using radiomics and machine-learning	13
Abdominal immune-related adverse events: detection on ultrasonography, CT, MRI and 18F-Fluorodeoxyglucose positron emission tomography	13
MR-guided radiotherapy for prostate cancer: state of the art and future perspectives	13
Advantages and disadvantages of single-source dual-energy whole-body CT angiography with 50% reduced iodine dose at 40 keV reconstruction	13
Women’s perceptions and attitudes to the use of AI in breast cancer screening: a survey in a cancer referral centre	13
MRI-directed biopsy for primary detection of prostate cancer in a population of 223 men: MRI In-Bore vs MRI-transrectal ultrasound fusion-targeted techniques	13
Prediction of lymph node metastases using pre-treatment PET radiomics of the primary tumour in esophageal adenocarcinoma: an external validation study	13
X-ray checks of NG tube position: a case for guided tube placement	13
Aortic valve stenosis—multimodality assessment with PET/CT and PET/MRI	13
Superior objective and subjective image quality of deep learning reconstruction for low-dose abdominal CT imaging in comparison with model-based iterative reconstruction and filtered back projection	13
Diagnostic accuracy and complication rate of image-guided percutaneous transthoracic needle lung biopsy for subsolid pulmonary nodules: a systematic review and meta-analysis	13
Improving the image quality of DWI in breast cancer: comparison of multi-shot DWI using multiplexed sensitivity encoding to conventional single-shot echo-planar imaging DWI	13
PET/MR in recurrent glioblastoma patients treated with regorafenib: [18F]FET and DWI-ADC for response assessment and survival prediction	13
The value of diffusion-weighted imaging based on monoexponential and biexponential models for the diagnosis of benign and malignant lung nodules and masses	13
Spectrum of MR imaging findings of sinonasal mucormycosis in post COVID-19 patients	13
Lung ultrasound education: simulation and hands-on	12
Local diagnostic reference levels in pediatric CT examinations: a survey at the largest children’s hospital in Greece	12
A preoperative radiomics model for the identification of lymph node metastasis in patients with early-stage cervical squamous cell carcinoma	12
Coronary artery fistulas detected with coronary CT angiography: a pictorial review of 73 cases	12
Evaluation of local, regional and abscopal effects of Boron Neutron Capture Therapy (BNCT) combined with immunotherapy in an ectopic colon cancer model	12
Differentiating uterine sarcoma from leiomyoma: BET1T2ER Check!	12
Comparison of different thresholds of PSA density for risk stratification of PI-RADSv2.1 categories on prostate MRI	12
Chemoradiation and granulocyte-colony or granulocyte macrophage-colony stimulating factors (G-CSF or GM-CSF): time to think out of the box?	12
Transarterial chemoembolization for pulmonary or mediastinal metastases from hepatocellular carcinoma	12
Structured reporting of chest CT provides high sensitivity and specificity for early diagnosis of COVID-19 in a clinical routine setting	12
Automatic segmentation of lung tumors on CT images based on a 2D & 3D hybrid convolutional neural network	12

The role of multiparametric ultrasound in the diagnosis of paediatric scrotal pathology	12
Adrenal hemorrhage and hemorrhagic masses; diagnostic workup and imaging findings	12
AI pitfalls and what not to do: mitigating bias in AI	12
Imaging quality and prostate MR: it is time to improve	12
Dual-energy CT in pulmonary vascular disease	12
Chest CT-based differential diagnosis of 28 patients with suspected corona virus disease 2019 (COVID-19)	12
Diagnostic performance of radiologists with different levels of experience in the interpretation of MRI of the placenta accreta spectrum disorder	12
High resolution ultrasonography of peripheral nerves in diabetic patients to evaluate nerve cross sectional area with clinical profile	12
Quantitative magnetic resonance imaging for chronic liver disease	12
Longitudinal study of the morphological and T2* changes of knee cartilages of marathon runners using prototype software for automatic cartilage segmentation	12
Comparison of British Thyroid Association, American College of Radiology TIRADS and Artificial Intelligence TIRADS with histological correlation: diagnostic performance for predicting thyroid malignan	12
Hemostatic radiotherapy for inoperable gastric cancer: a pilot study	11
Multisystem inflammatory syndrome in children associated with SARS-CoV-2: extracardiac radiological findings	11
Role of multiparametric MRI in long-term surveillance following focal laser ablation of prostate cancer	11
The diagnostic performance of deep-learning-based CT severity score to identify COVID-19 pneumonia	11
Prediction models for clear cell renal cell carcinoma ISUP/WHO grade: comparison between CT radiomics and conventional contrast-enhanced CT	11
Gender is a determinant of carotid artery stiffness independent of age and blood pressure	11
Correlation between ultrasound consolidated score and simple endoscopic score for determining the activity of Crohn’s disease	11
Prediction of the progression of femoral head collapse in ARCO stage 2-3A osteonecrosis based on the initial bone resorption lesion	11
Multimodality imaging of adult rhabdomyosarcoma: the added value of hybrid imaging	11
Epicardial fat attenuation, not volume, predicts obstructive coronary artery disease and high risk plaque features in patients with atypical chest pain	11
Functional cardiac CT–Going beyond Anatomical Evaluation of Coronary Artery Disease with Cine CT, CT-FFR, CT Perfusion and Machine Learning	11
Minimizing contrast media dose in CT pulmonary angiography with high-pitch technique	11
Comprehensive review of the recent advances in devices for endovascular treatment of complex brain aneurysms	11
Dosimetric feasibility of neurovascular bundle-sparing stereotactic body radiotherapy with periprostatic hydrogel spacer for localized prostate cancer to preserve erectile function	11
Comparison of diagnostic performance and inter-reader agreement between PI-RADS v2.1 and PI-RADS v2: systematic review and meta-analysis	11
Mammography-based radiomics for predicting the risk of breast cancer recurrence: a multicenter study	11
PI-RADS version 2.1 for the evaluation of transition zone lesions: a practical guide for radiologists	11
Musculoskeletal interventional oncology: current and future practices	11
An artificial intelligence deep learning model for identification of small bowel obstruction on plain abdominal radiographs	11
Preoperative prediction of KRAS mutation status in colorectal cancer using a CT-based radiomics nomogram	11
Estimating the percentage of patients who might benefit from proton beam therapy instead of X-ray radiotherapy	11
Low-dose CT urography using deep learning image reconstruction: a prospective study for comparison with conventional CT urography	11
A simple manual method to estimate water-equivalent diameter for calculating size-specific dose estimate in chest computed tomography	11
The role of contrast-enhanced ultrasound in the diagnosis of malignant non-mass breast lesions and exploration of diagnostic criteria	11
A radiomics nomogram for predicting the meningioma grade based on enhanced T1WI images	11
Prostate cancer measurements on serial MRI during active surveillance: it’s time to be PRECISE	11
CT-based radiomics for predicting the rapid progression of coronavirus disease 2019 (COVID-19) pneumonia lesions	11
Comparing the supine and erect pelvis radiographic examinations: an evaluation of anatomy, image quality and radiation dose	11
Optimal biopsy approach for detection of clinically significant prostate cancer	11
The vascular nature of COVID-19	11
Low radiation dose to treat pneumonia and other inflammations	11
Prostate cancer with low burden skeletal disease at diagnosis: outcome of concomitant radiotherapy on primary tumor and metastases	11
Contrast-enhanced spectral mammography (CESM)-guided breast biopsy as an alternative to MRI-guided biopsy	11
The Wavelia Microwave Breast Imaging system–tumour discriminating features and their clinical usefulness	10
Utility of microcatheter in adrenal venous sampling for primary aldosteronism	10
Impact of total variation regularized expectation maximization reconstruction on the image quality of 68Ga-PSMA PET: a phantom and patient study	10
Comparison of 18F-FDG PET-MR and fecal biomarkers in the assessment of disease activity in patients with ulcerative colitis	10
Interobserver variability in target volume delineation for CT/MRI simulation and MRI-guided adaptive radiotherapy in rectal cancer	10
Head and neck manifestations of granulomatosis with polyangiitis	10
Multiparametric MR evaluation of uterine leiomyosarcoma and STUMP versus leiomyoma in symptomatic women planned for high frequency focussed ultrasound: accuracy of imaging parameters and interobserver	10
Positron emission tomography/MRI for cardiac diseases assessment	10
CT-detected extramural venous invasion is corelated with presence of lymph node metastasis and progression-free survival in gastric cancer	10
Standalone portable xenon-129 hyperpolariser for multicentre clinical magnetic resonance imaging of the lungs	10
Salvage PTBD in post living donor liver transplant patients with biliary complications—a single centre retrospective study	10
A systematic review and practical considerations of stereotactic body radiotherapy in the treatment of head and neck cancer	10
Medical and surgical devices in the emergency and trauma patient: what the radiologist should know, and how they can add value	10
Predictors of primary patency after percutaneous balloon angioplasty for stenosis of Brescia-Cimino hemodialysis arteriovenous fistula	10
Spectrum of neuroimaging findings in COVID-19	10
Integrated cardiovascular assessment of atherosclerosis using PET/MRI	10
COPD identification and grading based on deep learning of lung parenchyma and bronchial wall in chest CT images	10
The Current and Future Role of Radiation Therapy in the Era of CAR T-cell Salvage	10
Lung perfusion changes in COVID-19 pneumonia: a dual energy computerized tomography study	10
Virtual monoenergetic images preserve diagnostic assessability in contrast media reduced abdominal spectral detector CT	10
A review of the PERFORMS scheme in breast screening	10
Safety and efficacy of repeat Y90 radioembolization to the same hepatic arterial territory	10
Radiation and iodine dose reduced thoraco-abdomino-pelvic dual-energy CT at 40 keV reconstructed with deep learning image reconstruction	10
The role of nutritional assessment for predicting radiotherapy-induced adverse events in patients with gastric cancer	10
Serial changes in tumour measurements and apparent diffusion coefficients in prostate cancer patients on active surveillance with and without histopathological progression	10
Spectral detector CT applications in advanced liver imaging	10
Differentiation of salivary gland tumor using diffusion-weighted imaging with a fractional order calculus model	10
Current understanding and future potential applications of cerebral microvascular imaging in infants	10
An MRI-based radiomics signature and clinical characteristics for survival prediction in early-stage cervical cancer	10
Artificial intelligence in functional imaging of the lung	9
Developments in functional imaging of the placenta	9
Combined CT texture analysis and nodal axial ratio for detection of nodal metastasis in esophageal cancer	9
T1 mapping for the diagnosis of early chronic pancreatitis: correlation with Cambridge classification system	9
Challenges for managing the cumulative effective dose for patients	9
Efficacy and safety of percutaneous microwave ablation for hepatocellular carcinomas <4 cm in difficult location	9
Origins of and lessons from quantitative functional X-ray computed tomography of the lung	9
Multidelay ASL of the pediatric brain	9
Serous borderline ovarian tumours: an extensive review on MR imaging features	9
The urachus revisited: multimodal imaging of benign & malignant urachal pathology	9
Clinical evaluation of data-driven respiratory gating for PET/CT in an oncological cohort of 149 patients: impact on image quality and patient management	9
Magnetic resonance neurography of the head and neck: state of the art, anatomy, pathology and future perspectives	9
The clinical utility of imaging methods used to measure hypoxia in cervical cancer	9
Analyzing oropharyngeal cancer survival outcomes: a decision tree approach	9
Diagnostic accuracy of apparent diffusion coefficient (ADC) value in differentiating malignant from benign solid liver lesions: a systematic review and meta-analysis	9
Radiomics for intracerebral hemorrhage: are all small hematomas benign?	9
Dosimetric analyses of intra-arterial versus standard intravenous administration of 177Lu-DOTATATE in patients of well differentiated neuroendocrine tumor with liver-dominant metastatic disease	9
Comparison of radiographs and CT features between posterior Pilon fracture and posterior malleolus fracture: a retrospective cohort study	9
The role of MRI-based texture analysis to predict the severity of brain injury in neonates with perinatal asphyxia	9
The radiation doses and radiation protection on the endoscopic retrograde cholangiopancreatography procedures	9
The effect of ionising radiation on the phenotype of bone marrow-derived extracellular vesicles	9
Adding contrast-enhanced ultrasound markers to conventional axillary ultrasound improves specificity for predicting axillary lymph node metastasis in patients with breast cancer	9