Clinico-pathological features of each group showing significant differences among the 79 variables studied.

Data are expressed as absolute number and relative percentage. SD: standard deviation, M/F: male/female, UICC: Union for International Cancer Control (2002 classification), CRC: colorectal cancer. *: One case with liver and ovary metastases, 6 cases with liver and lung metastases, one case with liver and brain metastasis and one case with ovary and peritoneum metastasis. **: Two cases presented with liver and peritoneum metastases.