Table 4.
Features of colorectal cancer In Chinese HNPCC and sporadic CRC patients
| Amsterdam criteria cases (%) | Japanese criteria cases (%) | Chinese/Korean criteria cases (%) | Sporadic CRC cases (%) | |
|---|---|---|---|---|
| 1. Gender | ||||
| male | 166 (55) | 53 (48) | 14 (33) | 437 (47) |
| female | 136 (45) | 57 (52) | 28 (67) | 50 (53) |
| 2. Location | ||||
| right colon | 85 (40) | 33 (26) | 144 (10) | |
| other colon | 155 (73) | 65 (52) | 26 (62) | 540 (39) |
| rectum | 57 (27) | 60 (48) | 16 (38) | 853 (61) |
| 3. Duke's stage | ||||
| A&B | 67 (63) | 42 (46) | 34 (81) | 387 (49) |
| C&D | 40 (37) | 49 (54) | 8 (19) | 400 (51) |
| 4. Differentiation | ||||
| low grade | 17 (40) | 24 (39) | 5 (13) | 108 (14) |
| high grade | 25 (50) | 38 (61) | 34 (87) | 664 (86) |
| 5. Multiple malignancy | ||||
| total | 25 (9) | 19 (15) | 6 (14) | 25 (3) |
| synchronous | 5 (2) | 11 (9) | ||
| metachronous | 20 (7) | 8 (6) | ||
| not multiple | 260 (91) | 110 (85) | 36 (86) | 867 (97) |
| 6. Adenomas | ||||
| with adenomas | 13 (18) | 6 (21) | 98 (18) | |
| without adenomas | 58 (82) | 23 (79) | 450 (82) | |