Table 1. Neoplasm-based clinicopathological features of 140 superficial colorectal cancers treated by endoscopic submucosal dissection.

	Colon n = 110	Rectum n = 30	P value
Age, median (range), years	67 (44 – 87)	66 (48 – 84)	0.91
Sex, female, n (%)	42 (38)	15 (50)	0.30
Morphology, n (%)			0.26
LST-G	64 (58)	21 (70)
LST-NG	35 (32)	5 (17)
Sessile polyp	11 (10)	4 (13)
Area size, cm 2			0.50
≤ 7	52 (47)	12 (40)
> 7 – ≤ 12	32 (29)	10 (33)
> 12	26 (24)	8 (27)
Superficial patterns: distorted, n (%)	4 (4)	3 (10)	0.17
Scar positive, n (%)	7 (6)	8 (27)	0.004
Location: semilunar fold, n (%)	78 (71)	8 (27)	< 0.001
Location, n (%)	Right 76 (69) Left 34 (31)	Pelvic 16 (53) Perineal 14 (47)	N/A

LST, laterally spreading tumor; G, granular type; NG, nongranular type; N/A, not applicable.