Effectiveness of narrow-band imaging magnification for invasion depth in early colorectal cancer

Table 1 Clinicopathological features of evaluated colorectal lesions

	m/sm-s	sm-d
Lesions (n = 112)	69	43
Gender (male/female)	42/27	24/19
Age (range, yr)	63.2 (37-79)	62.5 (32-80)
Location
Right colon	29	15
Left colon	18	12
Rectum	22	16
Morphology1
Ip/Is/Isp	21	18
IIa/IIa + IIc/IIc	10	16
LST-G	20	5
LST-NG	18	4
Mean size (range, mm)	32.3 (10-100)	24.4 (10-90)

¹Update on the Paris classification of superficial neoplastic lesion in the digestive tract[36]. LST-G: Laterally spreading tumor-granuler type; LST-NG: Laterally spreading tumour-non granular type; m/sm-s: Mucosal/submucosal superficial; sm-d: Submucosal-deep.