Table 1 Patient and cancer characteristics by cancer site. Incident colon cancer cases, Emilia-Romagna, Italy, 2000–2012
From: Colon cancer survival differs from right side to left side and lymph node harvest number matter
Colon cancer site | ||||
|---|---|---|---|---|
Right N (%) | Left N (%) | Transverse N. (%) | Total N. (%) | |
Overall | 8828 (30.1) | 18,852 (64.2) | 1678 (5.7) | 29,358 (100) |
Age years (SD) | 73.2 (11.1) | 70.3 (11.9) | 72.6 (11.9) | 71.3 (11.7) |
Sex | ||||
Male | 4362 (49.4) | 10,924 (57.9) | 879 (52.4) | 16,165 (55.1) |
Female | 4466 (50.6) | 7928 (42.1) | 799 (47.6) | 13,193 (44.9) |
Subsite | ||||
Cecum | 2729 (30.9) | |||
Ascending | 5086 (57.6) | |||
Hepatic | 1013 (11.5) | |||
Transverse | 1678 (100) | |||
Splenic | 754 (4.0) | |||
Descending | 2608 (13.8) | |||
Sigmoid | 7532 (40.0) | |||
Junction | 2607 (13.8) | |||
Rectum | 5351 (28.5) | |||
Stage | ||||
Stage I | 1439 (16.3) | 4622 (24.5) | 278 (16.6) | 6339 (21.6) |
Stage II | 2829 (32.0) | 4426 (23.5) | 537 (32.0) | 7792 (26.5) |
Stage III | 2365 (26.8) | 4435 (23.5) | 410 (24.4) | 7210 (24.6) |
Stage IV | 1645 (18.6) | 3365 (17.8) | 341 (20.3) | 5351 (18.2) |
Unknown | 550 (6.2) | 2004 (10.6) | 112 (6.7) | 2666 (9.1) |
Grade | ||||
G1 | 669 (7.6) | 1854 (9.8) | 113 (6.7) | 2636 (9.0) |
G2 | 4239 (48.0) | 10,055 (53.3) | 881 (52.5) | 15,175 (51.7) |
G3–4 | 2581 (29.2) | 3245 (17.2) | 398 (23.7) | 6224 (21.2) |
Unknown | 1339 (15.2) | 3698 (19.6) | 286 (17.0) | 5323 (18.1) |
Histological type | ||||
Carcinoma NOSa | 436 (4.9) | 821 (4.4) | 85 (5.1) | 1342 (4.6) |
Adenocarcinoma | 7263 (82.3) | 17,002 (90.2) | 1413 (84.2) | 25,678 (87.5) |
Mucinous | 1092 (12.4) | 1013 (5.4) | 171 (10.2) | 2276 (7.8) |
Other | 37 (0.4) | 16 (0.2) | 9 (0.5) | 62 (0.2) |
Surgery | ||||
No | 423 (4.8) | 856 (4.5) | 81 (4.8) | 1360 (4.6) |
Yes | 8405 (95.2) | 17,996 (95.5) | 1597 (95.2) | 27,998 (95.4) |
Lymph nodes | ||||
Lymphadenectomy b | 7617 (90.6) | 14,198 (78.9) | 1385 (82.5) | 23,200 (82.9) |
< 12c | 1173 (14.0) | 4783 (26.6) | 402 (24.0) | 6358 (22.7) |
12–21 c | 3663 (43.6) | 6344 (35.3) | 591 (35.2) | 10,598 (37.9) |
> 21 c | 2781 (33.1) | 3071 (17.1) | 392 (23.4) | 6244 (22.3) |
Screening | ||||
Uninvited | 327 (12.6) | 963 (14.7) | 64 (12.1) | 1354 (14.0) |
Invited | 2267 (87.4) | 5598 (85.3) | 465 (87.9) | 8330 (86.0) |
Screen detected | 873 (38.5) | 2529 (45.2) | 209 (44.9) | 3611 (43.3) |
Interval cancer | 461 (20.3) | 639 (11.4) | 74 (15.9) | 1174 (14.1) |
Non-attendees | 933 (41.2) | 2430 (43.4) | 182 (39.1) | 3545 (42.6) |