Related by context. Frequent words. (Click for all words.) 59 CT angiography 58 PET imaging 58 computed tomography 58 CT scans 57 computed tomography CT 57 CT scanning 57 computerized tomography 56 ultrasound imaging 56 ultrasound 56 coronary angiography 56 PET scan 56 PET scanning 55 Positron Emission Tomography PET 55 angiography 55 slice CT scanner 55 PET scanners 54 flexible sigmoidoscopy 54 imaging modality 54 Angiography 54 imaging 54 breast biopsies 54 FDG PET 54 SPECT CT 54 breast MRI 53 CT colonography 53 chest x rays 53 finger prick 53 CT scanner 53 virtual colonoscopy 53 Ultrasound 53 CAT scans 53 x ray imaging 53 cone beam 53 PET scans 53 CT scanners 53 tomography 52 ultrasound scans 52 CT Scans 52 Magnetic resonance imaging 52 diagnostic 52 cystoscopy 52 ultrasonography 52 liver biopsy 52 stereotactic radiosurgery 52 fluoroscopy 52 prostate biopsy 51 imaging scans 51 gamma knife 51 noninvasive 51 DXA 51 IGRT 51 biopsy 51 digital mammography 51 SPECT 51 PET scanner 51 MDCT 51 Biopsy 51 biopsies 51 Colonoscopies 51 ultrasound exam 51 elastography 50 Radiation therapy 50 radiation therapy 50 mammography 50 Biopsies 50 Computed Tomography 50 sigmoidoscopy 50 X ray 50 CT scan 50 cholecystectomy 50 endoscopes 50 BSGI 50 positron emission tomography PET 50 bone density screening 50 interventional procedures 50 myocardial perfusion imaging 50 echocardiographic 50 TrueBeam 50 bronchoscopy 50 chest x ray 50 precancerous growths 50 laparoscopy 50 coronary calcium 50 non invasive 50 cardiac catheterization 50 colposcopy 50 X ray imaging 49 intra operative 49 intensity modulated radiation 49 sonograms 49 benign lesions 49 echocardiogram 49 electrocardiograms 49 Cyberknife 49 needle biopsy 49 ultrasounds 49 FOBT 49 angiograms 49 minimally invasive procedure 49 PET CT 49 Mammograms