Table II.

Summary of cytokeratin 7 expression in adjacent mucosa, tumor and distant mucosa.

			Score
Diagnosis	Region	n	0	1+	2+	3+
Low-grade adenoma	Adjacent mucosa	76a	70	4	2	0
	Tumor	76a	75	1	0	0
	Distant normal mucosa	65	65	0	0	0
High-grade adenoma	Adjacent mucosa	18a	16	2	0	0
	Tumor	18a	17	1	0	0
	Distant normal mucosa	17	17	0	0	0
Mucosal adenocarcinoma	Adjacent mucosa	12	6	3	3	0
	Tumor	12	11	0	1	0
	Distant normal mucosa	12	12	0	0	0
Small-sized invasive adenocarcinoma	Adjacent mucosa	67a	26	24	10	7
	Tumor	67a	60	1	2	4
	Distant normal mucosa	66	64	2	0	0
Large-sized invasive adenocarcinoma	Adjacent mucosa	20	15	4	1	0
	Tumor	20	15	1	1	3
	Distant normal mucosa	20	20	0	0	0

^aIncluding multiple tumors.