Related by context. Frequent words. (Click for all words.) 62 colonoscope 62 esophagus stomach 59 endoscope 58 tiny incisions 58 fluoroscopic 58 Computed tomography 58 percutaneously 58 endoscopist 57 endoscopically 57 barium enema 57 bronchoscope 57 conventional colonoscopy 57 colon 57 Virtual colonoscopy 57 sigmoidoscopy 56 collimator 56 flexible sigmoidoscopy 56 laparoscope 56 laparoscopic instruments 56 epicardial 56 transvaginal ultrasound 56 transvaginal 55 laparoscopically 55 femoral vein 55 bronchoscopy 55 Doppler ultrasound 55 ductal 55 intraoperatively 55 dilator 55 minimally invasive technique 54 thoracic aorta 54 endotracheal tube 54 anal canal 54 resected 54 fundus 54 cannula 54 sentinel lymph node 54 intravascular ultrasound 54 ureter 54 radical nephrectomy 54 pre cancerous polyps 54 Laparoscopic surgery 54 optical colonoscopy 53 transurethral resection 53 abdominal aorta 53 computed tomography CT scan 53 endograft 53 ureters 53 peritoneal cavity 53 retractor 53 duodenum 53 peritoneal 53 resectable 53 surgical biopsy 53 balloon catheter 53 ablation therapy 53 metal stent 53 resections 53 lobectomy 53 Intraoperative 52 radiograph 52 optical coherence tomography 52 Radiographs 52 ureteral 52 intraoral 52 cecum 52 laparoscopy 52 lung nodules 52 trabeculectomy 52 renal arteries 52 optical coherence tomography OCT 52 laparotomy 52 pneumonectomy 52 CT angiography 52 esophagectomy 51 duodenal 51 nephrectomy 51 incision 51 sagittal 51 fluoroscopy 51 central venous catheter 51 debulking 51 pulse generator 51 curettage 51 ThinPrep 51 Cryoablation 51 adenoma 51 scintigraphy 51 abdominal cavity 51 polyp 51 cobalt chromium 51 Minimally invasive 51 SPECT CT 51 scleral 51 intracardiac 51 intra abdominal 51 multimodality 51 sentinel node biopsy 50 distension 50 thoracotomy 50 stent grafts