Table 1

Clinicopathological characteristics, lymphatic vessel density and vascular endothelial growth factor expression of the 52 analysed stage I colorectal carcimomas

Case	Sex	Age	Site	Grade	T	Intratumoural lymphatic vessel density (v/mm²)	Peritumoural lymphatic vessel density (v/mm²)	Vascular endothelial growth factor (percentage positive cells)	Disease progression	Disease-free interval (months)
1	M	63	Left colon	3	2	13.3	25.5	30	No	106
2	M	62	Right colon	1	2	8.88	25.5	50	No	96
3	M	58	Left colon	1	2	0	8.88	50	No	116
4	M	71	Right colon	1	2	0	0	10	No	88
5	M	55	Left colon	2	2	8.88	6.66	70	No	74
6	M	75	Right colon	2	2	0	0	20	No	86
7	M	62	Right colon	2	2	0	0	2	No	65
8	F	79	Left colon	2	2	0	15.5	100	No	78
9	F	83	Right colon	2	2	0	20	70	No	75
10	F	61	Left colon	2	2	10	0	30	No	61
11	M	62	Left colon	2	2	0	13.3	60	No	89
12	F	76	Left colon	2	2	0	0	60	No	90
13	F	64	Left colon	2	2	0	0	10	No	90
14	M	70	Left colon	2	2	0	8.88	20	No	82
15	M	79	Left colon	2	2	0	0	50	No	93
16	F	63	Right colon	3	2	0	0	80	No	77
17	M	74	Right colon	2	2	0	0	30	No	98
18	F	85	Left colon	2	2	12.2	0	20	No	65
19	F	53	Right colon	2	2	0	4.44	25	No	110
20	M	65	Left colon	2	2	6.66	0	10	No	106
21	M	86	Right colon	2	1	0	12.2	25	No	112
22	F	76	Right colon	2	2	0	8.88	25	No	105
23	M	69	Left colon	2	2	0	0	25	No	117
24	M	60	Right colon	1	2	10	15.5	50	Yes	58
25	F	66	Right colon	1	2	13.3	13.3	50	Yes	56
26	F	89	Right colon	1	2	0	0	30	Yes	28
27	F	71	Right colon	1	2	0	0	50	Yes	31
28	F	61	Left colon	2	2	11.1	16.6	100	Yes	24
29	M	71	Right colon	1	2	0	0	80	Yes	13
30	M	72	Left colon	1	2	8.88	25.5	100	Yes	40
31	M	66	Left colon	1	2	0	25.5	100	Yes	12
32	F	60	Left colon	1	2	0	33.3	100	Yes	60
33	F	64	Left colon	2	2	0	7.77	100	Yes	60
34	F	55	Left colon	2	2	23.3	13.3	100	Yes	35
35	M	69	Right colon	3	2	0	15.5	90	Yes	19
36	M	77	Left colon	2	2	0	12.2	50	Yes	50
37	F	72	Left colon	2	2	7.77	35.5	100	Yes	41
38	M	73	Left colon	2	1	0	0	50	Yes	16
39	M	68	Left colon	2	2	0	12.2	100	Yes	62
40	M	61	Left colon	2	1	0	15.5	100	Yes	69
41	M	71	Left colon	1	1	0	15.5	100	Yes	36
42	M	81	Left colon	2	2	4.44	28.8	70	Yes	57
43	M	63	Left colon	2	2	2.22	15.5	30	Yes	62
44	F	76	Left colon	2	2	0	37.7	70	Yes	60
45	M	78	Left colon	1	2	10	14.4	100	Yes	57
46	M	77	Left colon	2	2	0	17.7	100	Yes	9
47	F	76	Left colon	1	1	0	25.5	40	Yes	10
48	F	79	Left colon	2	2	5.55	4.44	100	Yes	20
49	M	77	Left colon	2	2	0	0	10	Yes	37
50	F	75	Left colon	2	2	0	0	100	Yes	18
51	M	69	Right colon	2	2	0	0	100	Yes	12
52	F	69	Left colon	2	2	16.6	23.3	50	Yes	32

F, female; M, male.