Usefulness of Magnifying Endoscopy with Narrow-Band Imaging for Determining Tumor Invasion Depth in Early Gastric Cancer

Table 2

Comparison of histopathological features of the lesions in two groups.

	Group V	Group N
Undifferentiated cancer	16.7% (3/18)	6.9% (7/101)	N.S.
Cancer with ulcer scar	16.7% (3/18)	18.8% (19/101)	N.S.
Submucosal cancer	33.3% (6/18)	9.9% (10/101)	𝑃=0.007