OOIR: Observatory of International Research

Papers

(The TQCC of Radiology is 14. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-08-01 to 2025-08-01.)

Article	Citations
Chest CT Cinematic Rendering of SARS-CoV-2 Pneumonia	676
Deep Learning Prediction of Ovarian Malignancy at US Compared with O-RADS and Expert Assessment	446
Cardiac MRI and Clinical Follow-up in COVID-19 Vaccine–associated Myocarditis	384
Contralateral Breast Screening with Preoperative MRI: Long-Term Outcomes for Newly Diagnosed Breast Cancer	326
A Radiologist’s Guide to the 2021 WHO Central Nervous System Tumor Classification: Part I—Key Concepts and the Spectrum of Diffuse Gliomas	248
Congenital Left Atrial Aneurysms	226
Case 311	221
Cranial US in Infants Exposed to Zika Virus in Utero	214
“Rice Cake” Small Bowel Ileus	213
Half-Moon–shaped Aortic Arch Thrombosis Induced by Lenvatinib	203
CT Diagnosis of COVID-19: A View through the PICOTS Lens	199
Left Atrial Function Predicts Outcome in Dilated Cardiomyopathy: Fast Long-Axis Strain Analysis Derived from MRI	197
Diffusion Tensor MRI Structural Connectivity and PET Amyloid Burden in Preclinical Autosomal Dominant Alzheimer Disease: The DIAN Cohort	189
MR Intracranial Venography at 7 T	177
A Randomized Trial Comparing Breast Cancer Incidence and Interval Cancers after Tomosynthesis Plus Mammography versus Mammography Alone	176
Diagnostic Accuracy of Nonmass Enhancement at Breast MRI in Predicting Tumor Involvement of the Nipple: A Prospective Study in a Single Institution	171
Emerging AI Autonomy: Reducing the Burden of Unremarkable Examinations	166
Deep Learning to Determine the Activity of Pulmonary Tuberculosis on Chest Radiographs	166
Increased Emergency Department Medical Imaging: Association with Short-Term Exposures to Ambient Heat and Particulate Air Pollution	153
Effects of Preoperative Breast MRI on Breast Cancer Survival Outcomes in Women Aged 35 Years and Younger	151
Lymphatic Contrast-enhanced US to Improve the Diagnosis of Cervical Lymph Node Metastasis from Thyroid Cancer	151
Cinematic Rendering of Acute Myocardial Infarction	147
Combining Deep Learning and Handcrafted Radiomics for Classification of Suspicious Lesions on Contrast-enhanced Mammograms	130
Efficacy versus Effectiveness in Clinical Evaluation of Artificial Intelligence Algorithms for Medical Diagnosis: The Award Goes to Effectiveness	127
Virtual Noncontrast CT for Coronary Artery Calcification Scoring Using Photon-Counting CT	125

Lung Nodule Management in Low-Dose CT Screening for Lung Cancer: Lessons from the NELSON Trial	124
Erratum for: How AI May Transform Musculoskeletal Imaging	123
Climate Change and Radiology: Impetus for Change and a Toolkit for Action	119
Glomerular Filtration Rate Measured Based on Iomeprol Clearance Assessed at CT Urography in Living Kidney Donor Candidates	116
Detection of Extranodal Extension at Pretreatment Rectal Cancer MRI: Promising for Staging and Prognosis	116
Normative Cerebral Hemodynamics in Middle-aged and Older Adults Using 4D Flow MRI: Initial Analysis of Vascular Aging	115
¹⁷⁷Lu–Prostate-specific Membrane Antigen Radioligand Therapy in Patients with Metastatic Castration-resistant Prostate Cancer	115
Impact on Prognosis of Stage I Non–Small Cell Lung Cancer Secondary to Delays in Diagnostic Workup	115
GPT-4 in Radiology: Improvements in Advanced Reasoning	114
Osteitis Fibrosa Cystica of the Skull Caused by Vitamin D Deficiency	114
Cellular Characterization of Breast Cancer Using Microstructural Diffusion MRI	112
MRI Quantification of Cortical Bone Porosity, Mineralization, and Morphologic Structure in Postmenopausal Osteoporosis	111
Autonomous Chest Radiograph Reporting Using AI: Estimation of Clinical Impact	110
Imaging to Explore the Interface between Pulmonary Structure and Function	109
Maximum Resection of Noncontrast-enhanced Tumor at MRI Is a Favorable Prognostic Factor in IDH Wild-Type Glioblastoma	108
Plank Out of the Eye	107
Distribution of Solid Lung Nodules Presence and Size by Age and Sex in a Northern European Nonsmoking Population	105
Three-dimensional Ultrashort Echo Time MRI: A More Sensitive Tool for Monitoring Patients with Cystic Fibrosis	105
Association of Acute Respiratory Disease Events with Quantitative Interstitial Abnormality Progression at CT in Individuals with a History of Smoking	104
Phase-resolved Functional Lung MRI Reveals Distinct Lung Perfusion Phenotype in Children and Adolescents with Post–COVID-19 Condition	102
Recent Advances in Compact Portable Platforms and Gradient Hardware for Brain MRI	101
Cinematic Rendering of Complex Coronary Artery Left Atrial Fistula	99
Anatomy-derived 3D Aortic Hemodynamics Using Fluid Physics–informed Deep Learning	99
Correlating Quantitative MRI-based Apparent Diffusion Coefficient Metrics with 24-month Neurodevelopmental Outcomes in Neonates from the HEAL Trial	99
Large Language Models as an Inexpensive and Effective Extra Set of Eyes in Radiology Reporting	98
The Growing Nationwide Radiologist Shortage: Current Opportunities and Ongoing Challenges for International Medical Graduate Radiologists	98
Ultrahigh-Resolution K-Edge Imaging of Coronary Arteries With Prototype Deep-Silicon Photon-Counting CT: Initial Results in Phantoms	97
MRI Improves the Characterization of Incidental Adnexal Masses Detected at Sonography	95
Planetary Health and Radiology: Why We Should Care and What We Can Do	94
MRI and Surgical Findings Refine Concepts of Type 2 Cerebrospinal Fluid Leaks in Spontaneous Intracranial Hypotension	94
Case 336	93
χ-Separation Imaging for Diagnosis of Multiple Sclerosis versus Neuromyelitis Optica Spectrum Disorder	89
Prognostic Value of Coronary CT Angiography–Derived Quantitative Flow Ratio in Suspected Coronary Artery Disease	89
^99mTc Bone-Avid Tracer Cardiac Scintigraphy: Role in Noninvasive Diagnosis of Transthyretin Cardiac Amyloidosis	88
Relationship between Race and Access to Newer Mammographic Technology in Women with Medicare Insurance	88
Clinical Applications of Photon-counting CT: A Review of Pioneer Studies and a Glimpse into the Future	87
Prospective Comparison of ⁶⁸Ga-FAPI versus ¹⁸F-FDG PET/CT for Tumor Staging in Biliary Tract Cancers	87
Coronary Artery-to-Pulmonary Artery Fistula with Aneurysm Formation	87
⁶⁸Ga Fibroblast Activation Protein Inhibitor PET/CT in the Detection of Metastatic Thyroid Cancer: Comparison with ¹⁸F-FDG PET/CT	87
A Machine Learning Model Using Cardiac CT and MRI Data Predicts Cardiovascular Events in Obstructive Coronary Artery Disease	87
Intravenous Thrombolysis Prior to Endovascular Treatment for Large Ischemic Cores: Need for Qualitative Assessment of the Ischemic Core	87
Diagnosis Please Certificates of Recognition Awarded to Two Individuals and to International and North American Radiology Resident Groups	86
Bruce G. Haffty, MD, President, Radiological Society of North America, 2022	86
The Holy Grail of Neurointervention: Endovascular Therapy for Symptomatic Intracranial Atherosclerotic Stenosis	83
Reliable Assessment of US Performance for Liver Fat Quantification	82
Case 305	82
Primary Multiparametric Quantitative Brain MRI: State-of-the-Art Relaxometric and Proton Density Mapping Techniques	82
Diagnostic Performance of Dual-Energy CT for Detecting Painful Hip Prosthesis Loosening	81
MRI Background Parenchymal Enhancement and Neoadjuvant Chemotherapy Response	81
Williams-Campbell Syndrome	81

Improved CT Surveillance of Thoracic Aortic Aneurysm Growth	80
Artificial Intelligence Class Activation Mapping of Bone Age	80
Automated Liver Segmentation for Quantitative MRI Analysis	80
Case 303	79
¹⁸F-DCFPyL PET/CT in Men with Prostate Cancer	78
White Matter Hyperintensities and Their Relationship to Outcomes after Stroke Intervention	76
Linda Moy, MD, Named New Editor of Radiology	76
Unenhanced Dual-Layer Spectral-Detector CT for Characterizing Indeterminate Adrenal Lesions	75
Artificial Intelligence Outperforms Radiologists for Pancreatic Cancer Lymph Node Metastasis Prediction at CT	75
Synthetic Images Are Here to Stay	72
Artificial Intelligence Tool for Assessment of Indeterminate Pulmonary Nodules Detected with CT	72
Prebiopsy Risk Calculators, Such as MRI and Prostate Cancer Screening, Are Early-phase Clinical Trials	72
Essentials for Interpreting Intracranial Vessel Wall MRI Results: State of the Art	72
Visualization of Bony Union after Discectomy and Fusion Using Photon-Counting Detector CT	72
Fleischner Society: Glossary of Terms for Thoracic Imaging	71
Comparison of Mammography and Mammography with Supplemental Whole-Breast US Tomography for Cancer Detection in Patients with Dense Breasts	71
The Future Is Beyond Bright: The Evolving Role of Quantitative US for Fatty Liver Disease	70
Cinematic Rendering of Hepatic Hydatid Disease	70
Cinematic Rendering of Abernethy Malformation with Abdominal Aneurysms	70
2023 RSNA Leadership	69
Cinematic Rendering of Gout	69
Case 320	68
Absolute Metabolite Quantification in Individuals with Glioma and Healthy Individuals Using Whole-Brain Three-dimensional MR Spectroscopic and Echo-planar Time-	68
Assessing Digital Breast Tomosynthesis Impact on Early Cancer Detection: Insights from Consecutive Screening	67
Generalizability and Diagnostic Performance of AI Models for Thyroid US	67
Potential Biases in a Population-based Study of Surveillance Imaging for Head and Neck Cancer	66
Deep Learning to Simulate Contrast-enhanced Breast MRI of Invasive Breast Cancer	66
Research Reveals a Potential Role for MR Elastography in Preoperative Evaluation of Endometrial Cancer	66
Malpractice From Afar: Teleradiology May Increase Malpractice Risk	65
Screening Mammography with AI and Supplemental Breast US: Current Status	65
Evaluation of an AI Model to Assess Future Breast Cancer Risk	64
Assessing Quantitative Parenchymal Features at Baseline Dynamic Contrast-enhanced MRI and Cancer Occurrence in Women with Extremely Dense Breasts	64
Photon-counting Detector CT: Initial Analysis of Virtual Noncontrast Imaging	63
MRI-based Texture Analysis of Infrapatellar Fat Pad to Predict Knee Osteoarthritis Incidence	63
Post-Acute Sequelae of COVID-19 Pneumonia: Six-month Chest CT Follow-up	63
Case 314	62
Intranodal CT Lymphangiography with Water-soluble Iodinated Contrast Medium for Imaging of the Central Lymphatic System	62
The Heat Line for Burned Bone	62
Bariatric Surgery Negatively Impacts Bone Health in Adolescents	62
Amide Proton Transfer-weighted MRI in Predicting Histologic Grade of Bladder Cancer	62
Case 315	62
Multitask Deep Learning Tools Are Needed for Clinical Practice—Especially for Low Back Pain	62
Adaptive Breast MRI Scanning Using AI	62
What a Radiologist Needs to Know About Radiomics, Standardization, and Reproducibility	61
Case 330	61
Extranodal Extension at Pretreatment MRI and the Prognostic Value for Patients with Rectal Cancer	61
The Future Role of Abdominal US in Hepatocellular Carcinoma Surveillance	61
Evaluating GPT4 on Impressions Generation in Radiology Reports	60
Please Stop Smoking: 10-year Emphysema Progression in the COPDGene Study	60
The U.S. Radiology Residency Match: Update and Multidecade Trends	60
Beyond Clinical Efficacy to Cost-effectiveness of Endovascular Therapy for Large Acute Infarcts	60
Preoperative Breast MRI Is Not a Significant Prognostic Factor of Recurrence-Free Survival and Overall Survival in Young Women	60
Functional MRI Neurofeedback Outperforms Cognitive Behavioral Therapy for Reducing Tinnitus Distress: A Prospective Randomized Clinical Trial	60
Liquid Biopsy versus CT: Comparison of Tumor Burden Quantification in 1065 Patients with Metastases	60
Vigabatrin Neurotoxicity in Pediatric Brain	59
Erratum for: Alterations in Volume and Intrinsic Resting-State Functional Connectivity Detected at Brain MRI in Individuals with Opioid Use Disorder	59
A Radiation Dose Catalog for Medical Imaging in Pediatric Procedures	58
Differences in Molecular Subtype Reference Standards Impact AI-based Breast Cancer Classification with Dynamic Contrast-enhanced MRI	58
LI-RADS US Surveillance Version 2024 for Surveillance of Hepatocellular Carcinoma: An Update to the American College of Radiology US LI-RADS	58
Identifying a Biliary Origin of Acute Pancreatitis Using CT	57
Axillary Adenopathy after COVID-19 Vaccine: No Reason to Delay Screening Mammogram	57
Contribution of Dynamic Contrast-enhanced and Diffusion MRI to PI-RADS for Detecting Clinically Significant Prostate Cancer	56
Malignant Mammographic Asymmetric Densities without US Correlate Remain Challenging	56
Radiology and the Impact Factor	56
Diagnosis Please Certificates of Recognition Awarded to Two Individuals and to International and North American Radiology Resident Groups	55
Radiomics and Artificial Intelligence: From Academia to Clinical Practice	55
Abbreviated Screening MRI in Breast Cancer: Promising but Not Widely Available	55
From Morphology to Biomarker: Quantitative Texture Analysis of the Infrapatellar Fat Pad Reliably Predicts Knee Osteoarthritis	55
Photon-counting Detector CT with Deep Learning Noise Reduction to Detect Multiple Myeloma	55
Case 301: Traumatic Subarachnoid-Pleural Fistula	54
Stroke Imaging Utilization according to Age and Severity during the COVID-19 Pandemic	54
Three-dimensional MR Elastography in Distinguishing Necroinflammation from Liver Fibrosis	54
Agenesis of Infrarenal Abdominal Aorta and Iliac Arteries	54
2021 Top Images in Radiology: Radiology In Training Editors’ Choices	54
Editor’s Note: Signing Off as Editor of Radiology	54
Case 299	53
Right Ventricular Function at Cardiac MRI Predicts Cardiovascular Events in Patients with an Implantable Cardioverter-Defibrillator	53
Cancer Detection in Breast MRI Screening via Explainable AI Anomaly Detection	53
Thrombus Distribution in Vaccine-induced Immune Thrombotic Thrombocytopenia after ChAdOx1 nCov-19 Vaccination	53
Seeing the Unseen: Advancing Generative AI Research in Radiology	52

Functional Sodium MRI Helps to Measure Corticomedullary Sodium Content in Normal and Diseased Human Kidneys	52
Multiparametric US for Identifying Patients with High-Risk NASH: A Derivation and Validation Study	52
Identifying Proliferative Hepatocellular Carcinoma at Pretreatment CT: Implications for Therapeutic Outcomes after Transarterial Chemoembolization	52
Time-Dependent Diffusion MRI for Quantitative Microstructural Mapping of Prostate Cancer	52
Generalizability and Bias in a Deep Learning Pediatric Bone Age Prediction Model Using Hand Radiographs	51
Revisiting the Diagnostic Criteria for Interstitial Pneumonia with Autoimmune Features	51
MRI Predicts Residual Disease and Outcomes in Watch-and-Wait Patients with Rectal Cancer	50
Conversion Strategy for LI-RADS Category 5 Observations across Versions 2014, 2017, and 2018	50
Case 325	50
Quantitative Cerebral Blood Volume Image Synthesis from Standard MRI Using Image-to-Image Translation for Brain Tumors	50
Quantitative Evaluation of Large Language Models to Streamline Radiology Report Impressions: A Multimodal Retrospective Analysis	49
Efficacy and Safety of Radiation Segmentectomy with ⁹⁰Y Resin Microspheres for Hepatocellular Carcinoma	49
Arterial Mucosal Linear Enhancement at Contrast-enhanced MRI to Exclude Residual Tumor after Neoadjuvant Chemotherapy and Radiation Therapy for Rectal Cancer	48
2022 Top Images in Radiology: Radiology In Training Editors' Choices	48
Positive Leadership within Breast Imaging: Impact on Burnout, Intent to Leave, and Engagement	48
Deep Learning Reconstruction Enables Prospectively Accelerated Clinical Knee MRI	48
Toward Replacing Contrast Agents in Prostate MRI Using Generative Artificial Intelligence	48
Intermittent Claudication in a Child with Severe Aortic Coarctation	47
Low-Carbon MRI: Acceleration Strategies to Reduce Emissions and Expand Imaging Capacity	47
Erratum for: A Multicenter Assessment of Interreader Reliability of LI-RADS Version 2018 for MRI and CT	47
Proposed Updates to the First-Trimester US Reporting Lexicon: A Laudable Goal	46
Erratum for: Association between Liver MRI Proton Density Fat Fraction and Liver Disease Risk	46
Weighing the Benefits and Risks of Mammography Screening Strategies	46
Glioma Radiogenomics for the Reading Room	46
A Radiologist’s Guide to the 2021 WHO Central Nervous System Tumor Classification: Part 2—Newly Described and Revised Tumor Types	46
More Evidence of Acute Kidney Injury from Intravenous Iodinated Contrast Material	46
A Step Closer to ADC as a Biomarker in Clinical Practice	46
Risk of Malignancy in Cystic Lung Lesions in a Lung Cancer CT Screening Program	46
LI-RADS CT and MRI Ancillary Feature Association with Hepatocellular Carcinoma and Malignancy: An Individual Participant Data Meta-Analysis	46
MRI Proton Density Fat Fraction for Liver Disease Risk Assessment: A Call for Clinical Implementation	45
Requirements for AI Development and Reporting for MRI Prostate Cancer Detection in Biopsy-Naive Men: PI-RADS Steering Committee, Version 1.0	45
Total Anomalous Pulmonary Venous Return	45
Supplemental Breast Cancer Screening in Women with Dense Breasts and Negative Mammography: A Systematic Review and Meta-Analysis	45
Case 329	44
Comparing Large Language Model and Human Reader Accuracy with New England Journal of Medicine Image Challenge Case Image Inputs	44
AI in Prostate Cancer Diagnosis with MRI: A Friend Not a Foe	44
Appropriateness of Breast Cancer Prevention and Screening Recommendations Provided by ChatGPT	44
Can Radiomics Help in the Identification of Vulnerable Coronary Plaque?	44
Dual-Energy CT-based Opportunistic Volumetric Bone Mineral Density Assessment of the Distal Radius	44
Allergic-like Hypersensitivity Reactions to Gadolinium-based Contrast Agents: An 8-year Cohort Study of 154 539 Patients	43
Multicenter Study for the Treatment of Sidewall versus Bifurcation Intracranial Aneurysms with Use of Woven EndoBridge (WEB)	43
Diffusion Tensor Imaging May Help Diagnose Cerebellar Mutism Syndrome	43
Deep Learning to Optimize Candidate Selection for Lung Cancer CT Screening: Advancing the 2021 USPSTF Recommendations	43
Coronary Artery Calcium Score Predicts Major Adverse Cardiovascular Events in Stable Chest Pain	43
Artificial Intelligence in Fracture Detection: A Systematic Review and Meta-Analysis	42
Diagnostic Accuracy and Value of CXCR4-targeted PET/MRI Using ⁶⁸Ga-Pentixafor for Tumor Localization in Cushing Disease	42
MRI Shows Lung Perfusion Changes after Vaping and Smoking	42
FDA Review of Radiologic AI Algorithms: Process and Challenges	42
Dependence of Water-equivalent Diameter and Size-specific Dose Estimates on CT Tube Potential	42
Administrative Alignment for Integrated Diagnostics Leads to Shortened Time to Diagnose and Service Optimization	42
US Markers and Necroinflammation, Steatosis, and Fibrosis in Metabolic Dysfunction–associated Steatotic Liver Disease: The iLEAD Study	42
When “Deep Faking” Results Means “Improving Diagnosis”	41
Prospective Evaluation of Ultrafast Breast MRI for Predicting Pathologic Response after Neoadjuvant Therapies	41
Spontaneous Coronary Artery Dissection	41
CATCH the Wave of Coronary Atherosclerotic Plaque MRI	41
Airway-Invasive Aspergillosis: Acute Tracheobronchitis	41
Connecting Ambient Air Pollution and Myocardial Fibrosis	41
US-derived Fat Fraction Screening of Hepatic Steatosis	41
The Immune Response: A New Frontier in Interventional Oncology	41
Assessment of Papillary Muscle Infarction with Dark-Blood Delayed Enhancement Cardiac MRI in Canines and Humans	40
Case 295: Pseudomyxoma from Mucinous Adenocarcinoma of the Appendix Extending from the Retroperitoneum into the Thigh	40
External Validation of O-RADS US Risk Stratification and Management System	40
Extra- or Peritumoral Hyperintensity on T2-weighted Images in Patients with Breast Cancer	40
Two-dimensional Shear-Wave Elastography and US Attenuation Imaging for Nonalcoholic Steatohepatitis Diagnosis: A Cross-sectional, Multicenter Study	40
Biomarkers for Personalized Neoadjuvant Therapy in Triple-Negative Breast Cancer: Moving Forward	39
Outcomes Following Negative Screening MRI Results in Korean Women with a Personal History of Breast Cancer: Implications for the Next MRI Interval	39
The Role of US Elastography in Evaluating Thyroid Nodules	39
Deep Learning CT-based Quantitative Visualization Tool for Liver Volume Estimation: Defining Normal and Hepatomegaly	39
Cor Triatriatum Sinistrum	39
Predictors of Survival Without Intestinal Resection after First-Line Endovascular Revascularization in Patients with Acute Arterial Mesenteric Ischemia	39
Precision Imaging in Breast Cancer: Neoadjuvant Chemotherapy Monitoring with Advanced Diffusion MRI	39
Cerebral Epidural Empyema Caused by Propionibacterium Acnes	38
Erratum for: Evaluating GPT-4V (GPT-4 with Vision) on Detection of Radiologic Findings on Chest Radiographs	38
Three-dimensional MR Neurography of the Brachial Plexus: Vascular Suppression with Low-dose Ferumoxytol	38
MRI Tumor Regression Response to Neoadjuvant Chemotherapy Alone without Radiation for Rectal Adenocarcinoma	38
Neuroradiology 2040: A Glimpse into the Future	38
Accuracy of Large Language Model–based Automatic Calculation of Ovarian-Adnexal Reporting and Data System MRI Scores from Pelvic MRI Reports	38
Multi-Cancer Early Detection Tests: State of the Art and Implications for Radiologists	38
CT Radiomics in Oncology: Insights into the Tumor Microenvironment of Hepatocellular Carcinoma	38
Editor’s Note 2024: The Year in Review for Radiology	37
Polysplenia Syndrome with Multiple Anatomical Abnormalities	37
Diagnostic Delays, Worse Prognosis: The Importance of Prompt Follow-up in Stage I Lung Cancer	37
LI-RADS for Diagnosing Hepatocellular Carcinoma in Patients with Noncirrhotic Chronic Hepatitis C	37
Editor’s Recognition Awards	37
Radiologic Findings after COVID-19 and the Correlation with Lung Function	37
Addressing Racial Inequities in Access to State-of-the-Art Breast Imaging	37
Autoimmune Encephalitis and Blood-Brain Barrier Permeability at Dynamic Contrast-enhanced MRI	36
Deep Learning Using CT to Improve Chronic Total Occlusion Recanalization Success	36
Risk Prediction in Mammography: Detecting Cancers before They Become Clinically Apparent	36
Radiologists Were Wrong to Mistrust the Machines	36
Long-term Survival in Breast Cancer Patients Is Associated with Contralateral Parenchymal Enhancement at MRI: Outcomes of the SELECT Study	36
X-ray Dark-Field Chest Imaging: Qualitative and Quantitative Results in Healthy Humans	36
Photon-counting CT–derived Quantification of Hepatic Fat Fraction: A Clinical Validation Study	36
Framework for Environmentally Sustainable Radiology: Call for Collaborative Action and a Health-Centered Focus	35
Is There a Place for Lymphatic Contrast-enhanced US in Thyroid Cancer?	35