Immunohistochemical Detection of Cancer Stem Cell Related Markers CD44 and CD133 in Metastatic Colorectal Cancer Patients

Table 1

Description of set of patients used for the study.

Total number	94
Gender (males/females)	57/37
Age at primary surgery (years)
Median	61.9
Interquartile range	12.4
Age at liver surgery (years)
Median	63.2
Interquartile range	11.9
Tumor size (T)
T1	3
T2	3
T3	73
T4	9
Unknown	6
Lymph nodes involvement (N)
N0	27
N1	37
N2	16
Unknown	14
M classification
M0	45
M1	49
Grade
G1	19
G2	53
G3	13
Unknown	9