Histological healing favors lower risk of colon carcinoma in extensive ulcerative colitis

Table 3 Segments of colon showing histological inflammation and its degree when endoscopically normal

Case-index	Cecum	Asc colon	Trans colon	Desc colon	Sigmoid	Rectum
1N	2	2	2	2	2	2, 4, 5
2N	2, 4	2, 4	2	2, 4	2, 4	2, 4
3N	3	3	3	3	3	3, 4
4N	1	1	1	1	1, 5	1, 5
5N	3	3	3	3, 4	3, 5	3, 4, 5
6N	2	2	3, 5	3	3, 5	2
7N	1	1	1	1	2, 4, 5	2, 4
8N	2	2	3, 5	3	3, 5	2
9N	2	2	2	2	2, 4	2, 4
10N	3	3	3	3, 4	3	3
11N	3	3	3	3	3,5	3
12N	1	1, 5	1, 4, 5	2	2	2
13N	3, 5	3, 5	3	3	3	3
14N	1	2, 5	2, 4	2, 4	1, 4	1
15N	2	2	2	2, 5	2	2
16N	2	2	2	3	3, 4, 5	3, 5
17N	2	2	2	3	3	3, 5
18N	1	1	1	1	2, 4, 5	2
19N	3	3	3	3	3	3, 5
20N	3	3	3	3	3, 4, 5	3, 5
1	1	1	3	2	3	3
2	0	0	0	0	0	1
3	0	0	1	1	0	1
4	2	0	1	1	0	3
5	1	0	2	2	2	2
6	3	3	0	0	1	2
7	0	0	0	0	0	0
8	2	2	0	0	1	1
9	0	0	1	1	1	1
10	1	1	1	1	1	1
11	1	1	1	1	1	1
12	0	1	2	2	2	1
13	1	1	3	2	2	0
14	0	0	0	0	0	0
15	1	0	0	1	1	1
16	0	0	2	1	1	0
17	1	2	2	2	2	2
18	0	0	0	0	0	0
19	1	1	1	1	1	1
20	2	2	0	2	2	0
21	2	0	2	2	1	2
22	0	0	1	1	1	1
23	1	1	1	1	0	0
24	1	1	1	1	1	0
25	0	0	1	1	2	2
26	1	1	1	3	0	2
27	0	0	2	2	2	2
28	1	1	1	2	1	1
29	1	1	2	1	1	3
30	1	1	1	1	1	1
31	0	0	0	1	1	1
32	2	0	2	2	1	1
33	2	2	0	2	2	2
34	0	0	0	1	0	0
35	1	1	1	3	1	1
36	1	1	1	2	3	2
37	1	1	0	0	2	2
38	0	0	1	1	1	0
39	1	1	1	1	1	0
40	1	1	1	1	2	2
41	0	0	3	0	0	0
42	1	0	2	2	2	2
43	1	1	1	0	1	1

Group 1 = 1N→20N (29 colonoscopies); Group 2 = 1→43 (180 colonoscopies). Degree of inflammation: 0, none; 1, mild; 2, moderate; 3, severe; 4, dysplasia; 5, cancer.