En bloc endoscopic mucosal resection |
Previously attempted resection |
Endoscopic appearance of invasive malignancy (non-lifting Kato D, Kudo V pit pattern) |
Histologically confirmed malignancy |
Presence or suspicion of inflammatory bowel disease |
Macroscopic incomplete resection |
Located at the ileo-cecal valve or the appendiceal orifice |
Contra-indication for surveillance colonoscopy |
American Society of Anesthesiology (ASA) grades IV or V |
Pregnancy |