Chemokine expression in hepatocellular carcinoma versus colorectal liver metastases

Table 1 Clinical characteristics of patients with HCC and CRLM

Factor	HCC2n = 11	CRLM3n = 23
Localization of primary tumor
Liver	11	-
Colon	-	14
Rectum	-	9
Gender
Male	5	17
Female	6	6
Age, yr4	62.6 (29-82)	65.0 (39-76)
Hepatitis (A, B or C)
Positive	4	1
Negative	7	22
Liver chirrhosis
Positive	5	6
Negative	6	17
Fibrosis
Positive	1	3
Negative	10	20
Largest tumor diameter (cm)4	4.3 (1.2-6.8)	10.3 (1.3-19)
TNM1 stage of primary tumor
I	2	2
II	4	2
III	5	15
IV	0	3
Grading
I	0	2
II	7	16
III	4	5
IV	0	0
Lymphatic permeation
Positive	1	16
Negative	10	7
Vascular invasion
Positive	4	1
Negative	7	22
Chemotherapy before operation	0	13
Radiotherapy before operation	0	3

¹Tumor-node-metastasis;

²Hepatocellular carcinoma;

³Colorectal liver metastases;

⁴Median with range in parentheses.