| Similarity | Rank | |
|---|---|---|
| sigmoidoscopy | 0.919 | 31126 |
| ileorectal | 0.918 | 65714 |
| colectomy | 0.912 | 26704 |
| endoscopically | 0.905 | 27287 |
| colonoscopic | 0.899 | 43852 |
| cholangiography | 0.897 | 42775 |
| cholangiopancreatography | 0.891 | 32848 |
| gastroscopy | 0.890 | 30226 |
| laparotomy | 0.890 | 30268 |
| fundoplication | 0.888 | 40599 |
| resected | 0.886 | 40992 |
| cholecystectomy | 0.885 | 20452 |
| endoscopy | 0.885 | 10878 |
| sphincterotomy | 0.884 | 32764 |
| resection | 0.884 | 15823 |
| endoscopical | 0.880 | 62394 |
| intraoperative | 0.880 | 74801 |
| ercp | 0.879 | 20454 |
| gastrectomy | 0.878 | 35820 |
| cholecystolithotomy | 0.877 | 40085 |
| polypectomy | 0.876 | 81514 |
| ultrasonography | 0.876 | 29385 |
| transhepatic | 0.873 | 49344 |
| angiography | 0.873 | 39092 |
| unselected | 0.872 | 50080 |