Surgical characteristics by treatment modality
| NACRT (n=6000) | PCh (n=3745) | ACRT (n=7953) | ACh (n=3000) | Surgery alone (n=15 184) | Total (n=35 882) | |
| Surgical Procedure, Days from Dx | ||||||
| Median | 129 | 131 | 21 | 21 | 23 | 34 |
| IQR | 111 to 154 | 108 to 154 | 8 to 36 | 7 to 39 | 6 to 44 | 12 to 103 |
| Range | (0 to 616) | (0 to 740) | (0 to 738) | (0 to 895) | (0 to 772) | (0 to 895) |
| Surgical margins | ||||||
| Negative | 5361 (89.4%) | 3158 (84.3%) | 6362 (80%) | 2334 (77.8%) | 12 340 (81.3%) | 30 606 (82.2%) |
| Positive | 410 (6.8%) | 465 (12.4%) | 1406 (17.7%) | 565 (18.8%) | 2048 (13.5%) | 5114 (13.7%) |
| Unknown | 229 (3.8%) | 122 (3.3%) | 185 (2.3%) | 101 (3.4%) | 796 (5.2%) | 1516 (4.1%) |
| Regional nodes examined | ||||||
| Median | 12 | 17 | 15 | 16 | 11 | 13 |
| Range | (0 to 90) | (0 to 90) | (0 to 90) | (0 to 90) | (0 to 90) | (0 to 90) |
| 0 to 15 | 3820 (63.7%) | 1594 (42.6%) | 4067 (51.1%) | 1472 (49.1%) | 9775 (64.4%) | 21 542 (57.9%) |
| >15 | 1956 (32.6%) | 2071 (55.3%) | 3803 (47.8%) | 1476 (49.2%) | 5148 (33.9%) | 14 952 (40.2%) |
| Unknown | 224 (3.7%) | 80 (2.1%) | 83 (1%) | 52 (1.7%) | 261 (1.7%) | 742 (2%) |
| Lymphovascular invasion | ||||||
| Absent | 1845 (30.8%) | 967 (25.8%) | 960 (12.1%) | 408 (13.6%) | 2574 (17%) | 6933 (18.6%) |
| Present | 608 (10.1%) | 822 (21.9%) | 1512 (19%) | 677 (22.6%) | 1908 (12.6%) | 5673 (15.2%) |
| Unknown | 3547 (59.1%) | 1956 (52.2%) | 5481 (68.9%) | 1915 (63.8%) | 10 702 (70.5%) | 24 630 (66.1%) |
| Pathological TNM | ||||||
| 0 | 141 (2.4%) | 39 (1%) | 0 (0%) | 0 (0%) | 0 (0%) | 180 (0.5%) |
| I | 1011 (16.9%) | 623 (16.6%) | 914 (11.5%) | 316 (10.5%) | 4044 (26.6%) | 7062 (19%) |
| II | 1417 (23.6%) | 992 (26.5%) | 2397 (30.1%) | 787 (26.2%) | 3373 (22.2%) | 9346 (25.1%) |
| III | 1502 (25%) | 1317 (35.2%) | 3563 (44.8%) | 1297 (43.2%) | 3572 (23.5%) | 11 730 (31.5%) |
| IV | 73 (1.2%) | 132 (3.5%) | 545 (6.9%) | 335 (11.2%) | 790 (5.2%) | 1962 (5.3%) |
| Unknown | 1856 (30.9%) | 642 (17.1%) | 534 (6.7%) | 265 (8.8%) | 3405 (22.4%) | 6956 (18.7%) |
| 90-Day mortality | ||||||
| Yes | 202 (8.6%) | 87 (5.8%) | 19 (0.50%) | 56 (3.7%) | 1305 (13.9%) | 1669 |
| No | 2055 (91.1%) | 1412 (94.2%) | 3778 (99.5%) | 1440 (96.3%) | 8106 (86.1%) | 16 791 |
ACh, adjuvant chemotheray; ACRT, adjuvant chemoradiation; NACRT, neoadjuvant chemoradiation; PCh, perioperative chemotherapy.