Indications for endoscopic resection of colorectal lesions
| Type of lesion | Tumor size (mm) | |||
|---|---|---|---|---|
| < 10 | 10–20 | 20–30 | > 30 | |
| LST-NG | EMR | EMR | ESD | ESD |
| LST-G | EMR | EMR | EMR | ESD |
| Intramucosal villous tumor | EMR | EMR | EMR | ESD |
| Intramucosal tumor with nonlifting sign | EMR | EMR or ESD | ESD | ESD |
| Rectal carcinoid tumor | EMR | ESD or surgery | Surgery | Surgery |
EMR = endoscopic mucosal resection; ESD = endoscopic submucosal dissection; LST-G = laterally spreading tumor, granular type; LST-NG = laterally spreading tumor, nongranular type
Based on information from the Japanese Society of Gastroenterology, reference 61.