Retrospective Cohort Study
Copyright ©The Author(s) 2025.
World J Gastrointest Surg. Jan 27, 2025; 17(1): 98263
Published online Jan 27, 2025. doi: 10.4240/wjgs.v17.i1.98263
Table 5 Endoscopic features of 74 patients before surgery, n (%)

pMMR, present
pMMR, absent
dMMR, present
dMMR, absent
Ulceration38 (66.7)19 (33.3)13 (76.4)4 (23.6)
Easy bleeding42 (73.7)15 (26.3)13 (76.5)4 (23.5)
Focal retraction55 (96.5)2 (3.5)17 (100)0 (0)
Residual mass49 (86.0)8 (14.0)15 (88.2)2 (11.8)
Eccentric stenosis22 (38.6)35 (61.4)11 (64.7)6 (35.3)