Table 7 Patient and tumor characteristics, overall and by histologic categories
All patients | Leiomyo-sarcomas | Undifferentiated pleomorphic sarcoma | Liposarcomas | Vascular sarcomas | Fibroblastic/myofibroblastic sarcomas | Nerve sheath sarcomas | Rhabdomyo-sarcomas | Synovial sarcomas | Others/NOS | |
|---|---|---|---|---|---|---|---|---|---|---|
N | 4274 | 922 | 652 | 554 | 357 | 227 | 106 | 98 | 49 | 1309 |
Location of residence (n, %) | ||||||||||
Big metro | 2358 (55.2) | 507 (55.0) | 362 (55.5) | 294 (53.1) | 198 (55.5) | 133 (58.6) | 55 (51.9) | 54 (55.1) | 25 (51.0) | 730 (55.8) |
Less urban | 1269 (29.7) | 267 (29.0) | 187 (28.7) | 172 (31.1) | 111 (31.1) | 65 (28.6) | 40 (37.7) | 29 (29.6) | 16 (32.7) | 382 (29.2) |
Metro | 255 (6.0) | 55 (6.0) | 39 (6.0) | 35 (6.3) | 21 (5.9) | – | – | – | – | 83 (6.3) |
Rural | 320 (7.5) | 78 (8.5) | 60 (9.2) | 41 (7.4) | – | 17 (7.5) | – | – | – | 87 (6.7) |
Urban | 71 (1.7) | 15 (1.6) | – | 12 (2.2) | – | – | 0 (0.0) | – | 0 (0.0) | 27 (2.1) |
SEER region (n, %) | ||||||||||
Northeast | 981 (23.0) | 197 (21.4) | 147 (22.6) | 143 (25.8) | 75 (21.0) | 59 (26.0) | 29 (27.4) | 24 (24.5) | 13 (26.5) | 294 (22.5) |
Midwest | 472 (11.0) | 124 (13.5) | 57 (8.7) | 47 (8.5) | 35 (9.8) | 29 (12.8) | 12 (11.3) | 13 (13.3) | – | 149 (11.4) |
South | 971 (22.7) | 238 (25.8) | 170 (26.1) | 106 (19.1) | 94 (26.3) | 27 (11.9) | 16 (15.1) | 18 (18.4) | – | 292 (22.3) |
West | 1850 (43.3) | 363 (39.4) | 278 (42.6) | 258 (46.6) | 153 (42.9) | 112 (49.3) | 49 (46.2) | 43 (43.9) | 20 (40.8) | 574 (43.9) |
Anatomic location of primary tumor at the time of initial diagnosis of STS (n, %) | ||||||||||
Axilla | 526 (12.3) | 110 (11.9) | 65 (10.0) | 105 (19.0) | 41 (11.5) | 37 (16.3) | 13 (12.3) | – | – | 140 (10.7) |
Breast | 123 (2.9) | 12 (1.3) | – | – | 28 (7.8) | – | – | – | 0 (0.0) | 67 (5.1) |
Genitourinary | 106 (2.5) | 34 (3.7) | – | – | 12 (3.4) | – | – | – | – | 38 (2.9) |
Head or neck | 354 (8.3) | 31 (3.4) | 104 (16.0) | 13 (2.4) | 108 (30.3) | 13 (5.7) | 17 (16.0) | – | – | 61 (4.7) |
Lower limb | 937 (21.9) | 125 (13.6) | 236 (36.2) | 122 (22.0) | 41 (11.5) | 58 (25.6) | 22 (20.8) | 19 (19.4) | 16 (32.7) | 298 (22.8) |
Mediastinum, lung, or pleura | 221 (5.2) | 29 (3.2) | 12 (1.8) | – | 16 (4.5) | 28 (12.3) | – | – | – | 110 (8.4) |
Pelvis | 416 (9.7) | 83 (9.0) | 66 (10.1) | 49 (8.8) | 30 (8.4) | 23 (10.1) | 11 (10.4) | – | – | 144 (11.0) |
Retroperitoneal | 396 (9.3) | 118 (12.8) | 19 (2.9) | 174 (31.4) | – | – | – | – | 0 (0.0) | 70 (5.4) |
Trunk | 283 (6.6) | 59 (6.4) | 39 (6.0) | 26 (4.7) | 25 (7.0) | 16 (7.1) | – | – | – | 99 (7.6) |
Upper limb | 309 (7.2) | 36 (3.9) | 89 (13.7) | 32 (5.8) | 11 (3.1) | 30 (13.2) | – | – | – | 87 (6.7) |
Uterus | 366 (8.6) | 228 (24.7) | – | 15 (2.7) | 0 (0.0) | – | – | 21 (21.4) | 0 (0.0) | 92 (7.0) |
Other | 237 (5.6) | 57 (6.2) | – | – | 41 (11.5) | – | – | – | – | 103 (7.9) |