Gender

Male

58

54.7

Female

48

45.3

Age

<60

43

40.6

≥60

63

59.4

CEA levels at metastasis diagnosis (ng/mL)

<100

64

60.4

≥100

42

39.6

Resection of liver metastases

Yes

51

48.1

No

55

51.9

Time of diagnosis of liver metastases

Synchronous

34

32.1

Metachronous

72

67.9