Table 1. Patients demographics and tumor characteristics.

Tumor type and demographics			n.			%
Gender
M			19			33
F			38			67
Age (mean 68 [range 37–91])
> 60			43			75
< 60			14			25
Localization
right			22			39
transverse			2			3
left			25			44
rectum			8			14
Histology
adenocarcinoma			52			91
mucinous			5			9
Grading	Stage (UICC)	(Dukes)
G1	I	A	7	18	1	12	32	2
G2	II	B (1–2)	33	20	11 26	58	35	19 46
G2–G3	III	C (1–2)	12	15	0 15	21	26	0 26
G3	IV	D	5	4	4	9	7	7