Table 2.
Treatment Modalities Across Sites for Primary Tumors
| Definition | Total (N = 2732) | Intracranial (N = 141) | Spinal (N = 94) | H&N (N = 344) | Limbs (N = 878) | Core (N = 1106) | NOS and Unknown (N = 169) | P | |
|---|---|---|---|---|---|---|---|---|---|
| Extent of Resection | No surgery | 306 (11.2) | 43 (30.5) | 9 (9.6) | 29 (8.4) | 49 (5.6) | 132 (11.9) | 44 (26.0) | <.001 |
| Biopsy | 62 (2.3) | 3 (2.1) | 0 (0.0) | 11 (3.2) | 6 (0.7) | 38 (3.4) | 4 (2.4) | ||
| Partial resection | 820 (30.0) | 4 (2.8) | 9 (9.6) | 129 (37.5) | 317 (36.1) | 334 (30.2) | 27 (16.0) | ||
| GTR | 765 (28.0) | 38 (27.0) | 40 (42.6) | 89 (25.9) | 298 (33.9) | 275 (24.9) | 25 (14.8) | ||
| Surgery NOS | 658 (24.1) | 37 (26.2) | 34 (36.2) | 73 (21.2) | 195 (22.2) | 270 (24.4) | 49 (29.0) | ||
| Unknown | 121 (4.4) | 16 (11.3) | 2 (2.1) | 13 (3.8) | 13 (1.5) | 57 (5.2) | 20 (11.8) | ||
| Rx | No radiation | 1591 (58.2) | 88 (62.4) | 59 (62.8) | 195 (56.7) | 477 (54.3) | 660 (59.7) | 112 (66.3) | .048 |
| Any form radiation | 1064 (38.9) | 50 (35.5) | 34 (36.2) | 141 (41.0) | 367 (41.8) | 421 (38.1) | 51 (30.2) | ||
| Unknown | 77 (2.8) | 3 (2.1) | 1 (1.1) | 8 (2.3) | 34 (3.9) | 25 (2.3) | 6 (3.6) | ||
| Rx Sequence | No Rx or no Sx | 1802 (66.0) | 112 (79.4) | 64 (68.1) | 216 (62.8) | 523 (59.6) | 758 (68.5) | 129 (76.3) | <.001 |
| Rx after Sx | 766 (28.0) | 27 (19.1) | 28 (29.8) | 114 (33.1) | 274 (31.2) | 288 (26.0) | 35 (20.7) | ||
| Rx before Sx | 116 (4.2) | 0 (0.0) | 1 (1.1) | 6 (1.7) | 60 (6.8) | 45 (4.1) | 4 (2.4) | ||
| Rx before and after Sx | 23 (0.8) | 1 (0.7) | 1 (1.1) | 4 (1.2) | 12 (1.4) | 5 (0.5) | 0 (0.0) | ||
| Intraoperative Rx | 16 (0.6) | 1 (0.7) | 0 (0.0) | 3 (0.9) | 6 (0.7) | 6 (0.5) | 0 (0.0) | ||
| Unknown sequence | 9 (0.3) | 0 (0.0) | 0 (0.0) | 1 (0.3) | 3 (0.3) | 4 (0.4) | 1 (0.6) | ||
Abbreviations: GTR, gross total resection; H&N, head and neck; NOS, not otherwise specified; Rx, radiotherapy; Sx, surgery.