Immunoexpression of cyclooxygenase-2 in primary gastric carcinomas and lymph node metastases

Table 1 Expression of cyclooxygenase-2 in gastric cancer histotypes - stomach

Histotype	COX-2 (combined scores)
	0	1	2	3	4	6	8	9	12
Intestinal	1	2	-	1	1	3	1	-	1
Diffuse	-	1	-	1	4	2	4	-	-
Mixed: Intestinal component	-	-	-	-	4	-	2	1	1
Diffuse component	-	-	-	-	4	-	3	-	1
Unclassified	1	-	-	1	1	1	1	-	1

COX-2: Cyclooxygenase-2.

Table 2 Expression of cyclooxygenase-2 in gastric cancer histotypes - lymph node

Histotype	COX-2 (combined scores)
	0	1	2	3	4	6	8	9	12
Intestinal	1	1	-	-	2	1	4	-	1
Diffuse	-	1	-	-	1	-	4	-	6
Mixed	1	-	-	1	-	-	1	1	4
Unclassified	2	-	-	-	1	-	1	-	2

COX-2: Cyclooxygenase-2.

Table 3 Expression of cyclooxygenase-2 (low and high) in gastric cancer histotypes - stomach

COX-2 scores	Histotype
	Intestinal	Diffuse	Mixed	Unclassified	Total
< 6	5	6	4	3	18
≥ 6	5	6	4	3	18
Total	10	12	8	6	36

COX-2: Cyclooxygenase-2.

Table 4 Expression of cyclooxygenase-2 (low and high) in gastric cancer histotypes - lymph node

COX-2 scores	Histotype
	Intestinal	Diffuse	Mixed	Unclassified	Total
< 6	4	2	2	3	11
≥ 6	6	10	6	3	25
Total	10	12	8	6	36

COX-2: Cyclooxygenase-2.