Related by context. Frequent words. (Click for all words.) 58 CT colonography 55 CT scanning 55 CT angiography 54 CT scans 51 Biopsies 50 biopsies 49 PET scanning 49 benign lesions 49 chest x rays 49 PET scans 48 dense breasts 48 MRI scans 48 sigmoidoscopy 48 breast biopsies 48 virtual colonoscopy 48 FDG PET 48 ultrasound scans 47 imaging modality 47 Colonoscopies 47 lung tumors 47 computed tomography CT 47 Barrett esophagus 47 cone beam 47 computed tomography 47 positron emission tomography PET 47 PET scan 47 cancerous lesions 46 PET imaging 46 flexible sigmoidoscopy 46 chest x ray 46 chest X rays 45 pre cancerous cells 45 Mammograms 45 coronary angiography 45 Positron Emission Tomography PET 45 liver biopsy 45 cystoscopy 45 angiograms 45 rectal cancer 45 gamma camera 45 mammography 45 CT scanner 45 tumors 44 breast cervical 44 scans 44 sonographic 44 single photon emission 44 ultrasound 44 squamous cell 44 cancers 44 radiotherapy 44 overdiagnosis 44 adenomas 44 SBRT 44 hormone pills 44 slice CT scanner 43 cardiologists 43 MDCT 43 radiologists 43 mammograms 43 imaging scans 43 bronchoscopy 43 Magnetic resonance imaging 43 polyps 43 sonography 43 PET scanner 43 ultrasounds 43 intensity modulated radiation 43 ultrasonography 43 tomography 43 noncancerous 43 colorectal screening 43 brain scans 43 pre cancerous lesions 43 needle biopsy 43 echocardiograms 43 mammography screening 43 Biopsy 42 nodules 42 breast MRI 42 MRI scanners 42 metastases 42 colposcopy 42 breast lesions 42 IMRT 42 adenoma 42 proton therapy 42 carotid endarterectomy 42 colon polyps 42 metastatic tumors 42 radiation therapy 42 colorectal 42 precancerous lesions 42 breast tumors 42 magnetic resonance imaging 42 ultrasound imaging 42 prostate specific 42 ovarian cysts 42 precancerous polyps 42 prostate cancers 42 endoscopies