Visualization of Laterally Spreading Colorectal Tumors by Using Image-Enhanced Endoscopy

Table 3

Characterization of LST-NG lesions by AFI in group B.

	Quality of visualization
	Good	Poor	𝑃
Macroscopic type
Flat elevated	16	25	0.07*
Flat or flat depressed	0	6
Lesion size (mm)
Median	25	30	<0.05**
Range	20–45	20–60
Location
Rectum	2	5	0.32*
Cecum or colon	14	26
Pathological finding
Adenoma	4	2	0.08*
Adenocarcinoma	12	29

*Fisher’s exact test.
**Mann-Whitney test.