Table 1 Clinicopathological features of cases (N = 146)

Age

60.8 ± 10.5 yr

Gender:

   male

84(57.5%)

   female

62(42.5%)

Location:

   ascending colon

24 (16.3%)

   transverse colon

15 (10.3%)

   descending colon

13 (8.9%)

   sigmoid colon

16 (11.0%)

   rectum

78 (53.4%)

Multiple cancer:

   synchronous tumours

3(2%)

   metachronous tumour

7 (4.5%)

Pathology:

   adenocarcinoma

93 (63.7%)

   mucinous carcinoma

23 (15.8%)

   mixed type

30 (20.5%)

Dukes stage*:

   I

17 (11.6%)

   II

69 (47.2%)

   III

48(32.9%)

   IV

12 (8.2%)

Family history

7

Amsterdam criteria

1