Related by context. Frequent words. (Click for all words.) 87 scan 69 Scans 67 scanning 67 MRI scans 61 x rays 61 scanned 60 X ray 59 MRIs 59 MRI scan 59 CT scans 57 x ray 57 MRI 57 X rays 56 scanners 55 CAT scans 55 CT scan 55 CAT scan 55 scanner 53 biopsies 52 imaging 50 biopsy 50 PET scans 49 Scanning 49 tests 48 Scan 48 PET scan 48 brain scans 48 ultrasounds 47 ultrasound 47 magnetic resonance imaging 47 radiographs 47 echocardiograms 47 MRI exam 47 CT scanning 47 angiogram 47 sonograms 47 echocardiogram 46 Scanner 46 chest X rays 45 pat downs 45 Scanners 44 chest X ray 44 mammogram 44 angiography 44 backscatter 44 mammograms 44 computed tomography 43 x ray machine 43 radiologists 43 magnetic resonance 43 searches 43 sonogram 43 false positives 43 computed tomography CT 43 radiologist 42 ultrasonography 42 positron emission tomography PET 42 biopsied 42 keyhole surgery 42 X ray imaging 42 Ultrasound 41 colonoscopy 41 CT colonography 41 body scanners 41 sonography 41 screening 41 PET imaging 41 facial recognition 41 X rayed 41 tomography 41 X ray machines 41 arthroscopy 41 ultrasound imaging 41 virtual colonoscopy 40 MR imaging 40 diagnostic 40 cardiac catheterization 40 EKG 40 mammography 40 images 40 ECGs 40 detects 40 echocardiography 40 non invasive 39 diagnostic tests 39 Radiologists 39 screening mammograms 39 SPECT 39 x rayed 39 imagers 39 checks 39 X ray machine 38 workup 38 screening mammography 38 abnormalities 38 surgical procedures 38 An MRI exam 38 imaged 38 colonoscopies 38 EKGs 38 reconstructions