Copyright ©The Author(s) 2022.
World J Gastrointest Surg. Jul 27, 2022; 14(7): 632-655
Published online Jul 27, 2022. doi: 10.4240/wjgs.v14.i7.632
Table 1 Indications for colon and rectum endoscopic submucosal dissection[95-100]

United States
Colon and rectumLesions > 20 mm with high suspicion of limited submucosal invasion: Submucosally invasive cancerLST-NG, pseudo-depressed1
Vi-type pit pattern lesions1
Carcinoma with shallow T1 (SM) invasion1
Type V Kudo pit pattern
Large depressed-type tumors1
Paris 0-IIcLarge protruded-type lesions suspected to be carcinoma1
Paris 0–IIa+c or 0–IIIParis (0-Is or 0-IIa+Is)
Nongranular surfaceRectosigmoid locationMucosal tumors with submucosal fibrosis
Advanced surface patternNongranular LST ≥ 20 mm
Sporadic tumors in IBD
Granular LST ≥ 30 mm
Local residual/recurrent early carcinomas
Residual/recurrent adenomas
Residual/recurrent lesions