Table 1 Clinical characteristics of patients with colorectal carcinomas and colorectal liver metastases

Localization of primary tumor

   Colon

22

6

   Rectum

26

8

Gender

   Male

29

7

   Female

19

7

Age, yr⁵

63.7 (47–78)

60,3 (41–76)

Largest tumor diameter (cm)⁵

4.6 (1.2–9.1)

4,2 (1.5–5.5)

TNM¹ category of primary tumor

   I

8

1

   II

15

2

   III

15

10

   IV

10

1

Grading

   I

0

0

   II

21

4

   III

27

10

Chemotherapy before operation

0

2

Radiotherapy before operation

0

2