| Location code | String |
|---|---|
| loc1 | Rectal |
| loc1 | Rectum |
| loc2 | Rectosigmoid |
| loc2 | Rectum—sigmoid |
| loc2 | Rectal—sigmoid |
| loc3 | Sigmoid |
| loc4 | Descending |
| loc5 | Splenic |
| loc6 | Transverse |
| loc7 | Hepatic |
| loc8 | Ascending |
| loc9 | Cecum |
| loc9 | Cecal |
| loc9 | Appendiceal orifice |
| loc10 | Left colon |
| loc11 | Right colon |
| loc12 | Anastomosis |
| loc12 | Anastomotic |
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