Table 2: Comparison of histopathological features of the lesions in two groups.

Group VGroup N

Undifferentiated cancer16.7% (3/18)6.9% (7/101)N.S.
Cancer with ulcer scar16.7% (3/18)18.8% (19/101)N.S.
Submucosal cancer33.3% (6/18)9.9% (10/101)