Number of lesions 6 Sex (M/F) 4/2 Age (mean ± SD; years) 54.2 ± 13.6 (range) 33-72 Location (Ra/Rb) 3/3 Presence of a depression of the tumor surface 0/6 Tumor size (mean ± SD; mm) 6.8 ± 18 (range) 4-9 Ra: upper rectum; Rb: lower rectum; SD: standard deviation

Table 1: Clinical characteristics of 6 rectal carcinoid tumors in 6 patients treated with endoscopic mucosal resection after circumferential mucosal incision (C-EMR).