Table 2.

 Immunohistochemical staining results of the ulcerative colitis group

	iNOS	COX-2	Fas	Bcl-xl	Active caspase 3
Patient A
UC	0	0	1	0	Positive
Dysplasia	3	0	3	2	Positive
Ca T3N2M0	1	0	3	3	Positive
Patient B
UC	0	0	1	0	Positive
Dysplasia	1	0	2	2	Positive
Ca T3N1M0	1	0	3	2	Positive
Patient C
UC	0	0	1	0	Positive
Dysplasia	1	0	1	1	Positive
Ca in situ TIS	0	0	0	1	Positive
Patient D
UC	0	0	1	0	Positive
Dysplasia	1	0	3	1	Positive
Ca T1N0M0	1	0	3	3	Positive
Patient E
UC	0	0	1	0	Positive
Dysplasia	3	0	2	1	Positive
Ca T2N1M0	0	0	3	3	Positive

Immunohistochemical score: 0, 0%; 1, 0–10%; 2, 10–50%; 3, 50–100%.

Ca, carcinoma; COX-2, cyclooxygenase 2; iNOS, inducible nitric oxide synthase; UC, ulcerative colitis.