Table 3.
Anatomical sites of tumors presenting in early- and late-onset colorectal cancer patients in 2008-2019
Tumor sites
|
< 50-years-old, n (%)
|
≥ 50-years-old, n (%)
|
Total, n (%)
|
Right side | 45 (22.0) | 67 (23.1) | 112 (22.6) |
Cecum | 13 (6.3) | 17 (5.9) | 30 (6.1) |
Ascending colon | 27 (13.2) | 34 (11.7) | 61 (12.3) |
Hepatic flexure | 1 (1.1) | 5 (1.2) | 6 (1.2) |
Transverse colon | 4 (2.0) | 11 (3.8) | 15 (3.0) |
Left side | 160 (78.0) | 223 (76.9) | 383 (77.4) |
Descending colon | 17 (8.3) | 9 (3.1) | 26 (5.3) |
Rectum | 84 (41.0) | 132 (45.5) | 216 (43.6) |
Sigmoid | 13 (6.3) | 42 (14.5) | 55 (11.1) |
Rectosigmoid | 36 (17.6) | 38 (13.1) | 74 (14.9) |
Anus | 1 (1.1) | 1 (0.2) | 2 (0.4) |
Anorectal | 9 (4.4) | 1 (0.3) | 10 (2.0) |