Cold endoscopic mucosal resection (EMR) demonstrates lower rates of delayed bleeding and perforation but a higher risk for recurrent or residual neoplasia than hot EMR in colorectal polyp treatment.

The clinicopathological characteristics of the patients in the two groups are shown in Table 1. The mean sizes of the lesions were 27.1 mm in the ESD group and 25.0 mm in the EMR group. The incidence ...