Related by context. Frequent words. (Click for all words.) 71 CT angiography 70 coronary angiography 66 liver biopsy 65 cystoscopy 64 angiography 64 echocardiographic 64 thrombolytic therapy 63 angiogram 63 biopsy 63 laparotomy 62 myocardial ischemia 62 CT scan 62 MDCT 62 ultrasonography 62 breast biopsies 62 prostate biopsy 61 chest x ray 61 heart catheterization 61 FDG PET 61 D dimer 61 cardiac catheterization 61 Angiography 60 bone marrow biopsy 60 angiograms 60 fine needle aspiration 60 lumbar puncture 60 catheterization 60 myocardial perfusion 60 nephrectomy 60 bronchoscopy 60 colectomy 60 echocardiogram 60 conventional colonoscopy 60 needle biopsy 59 chest x rays 59 colonoscopy 59 PET scan 59 radiograph 59 CT scans 59 Intraoperative 59 workup 58 vitrectomy 58 DXA 58 colposcopy 58 coronary calcium 58 Sonography 58 biopsies 58 sonographic 58 Postoperative 58 cholecystectomy 58 MRI scans 57 ERCP 57 digital rectal examination 57 stent implantation 57 carotid endarterectomy 57 benign lesions 57 surgical excision 57 mitral regurgitation 57 imaging modality 57 CAT scan 57 intracranial 57 sentinel node 57 Biopsies 57 CT colonography 57 post operatively 57 preoperatively 57 postsurgical 57 TURP 56 flexible sigmoidoscopy 56 histopathology 56 Preoperative 56 electrocardiograms 56 CT scanning 56 pulmonary emboli 56 ultrasound scan 56 electrocardiogram ECG 56 ultrasound imaging 56 resected 56 MR imaging 56 endarterectomy 56 postoperative complications 56 lavage 56 partial nephrectomy 56 echocardiography 56 computed tomography 56 elastography 55 endovascular repair 55 prostatectomy 55 hemodynamics 55 screening colonoscopy 55 CT Scan 55 intraoperative 55 mitral valve repair 55 sagittal 55 thromboembolic events 55 infarct size 55 Radiographic 55 craniotomy 55 thoracotomy 55 stent placement 55 MRI