Indications for endoscopic submucosal dissection for colorectal cancer
| Lesions for which en bloc resection with endoscopic mucosal resection is unlikely to succeed Laterally spreading tumor, nongranular type Lesions with a Vi-type pit pattern Carcinoma with shallow T1 invasion Large depressed-type tumors Large protruding-type tumors suspected to be malignant |
| Mucosal tumors with submucosal fibrosis |
| Sporadic localized tumors in conditions of chronic inflammation |
| Local residual or recurrent early carcinomas after endoscopic resection |
Based on information from the Japan Gastroenterological Endoscopy Society, reference 32.