Table 3.
Treatment based on location for 10,833 patients with gastrointestinal stromal tumors from the Surveillance, Epidemiology, and End Results (SEER) database 2000–2018.
| Known Location | Treatment When Known (n, %) | |||
|---|---|---|---|---|
| Surgery | Chemotherapy ± Surgery | Adjuvant Radiation |
Neoadjuvant Radiation |
|
| Esophagus # | 40 (56.3) | 31 (42.3) | 1 (1.4) | 0 |
| Stomach | 5446 (68.3) | 2502 (31.4) | 16 (0.2) | 5 (0.1) |
| Small Intestine | 2946 (66.8) | 1455 (33) | 9 (0.2) | 0 |
| Cecum # | 38 (73.1) | 13 (25) | 1 (1.9) | 0 |
| Appendix # | 12 (92.3) | 1 (7.7) | 0 | 0 |
| Ascending Colon # | 31 (77.5) | 9 (22.5) | 0 | 0 |
| Hepatic Flexure # | 14 (77.8) | 4 (22.2) | 0 | 0 |
| Transverse Colon # | 24 (70.6) | 10 (29.4) | 0 | 0 |
| Splenic Flexure # | 3 (75) | 1 (25) | 0 | 0 |
| Descending Colon # | 34 (70.8) | 13 (27.1) | 1 (2.1) | 0 |
| Sigmoid Colon # | 54 (75) | 17 (26.6) | 1 (1.4) | 0 |
| Large Intestine, NOS # | 19 (65.5) | 10 (35.5) | 0 | 0 |
| Rectosigmoid junction | 14 (53.8) | 11 (42.3) | 1 (3.8) | 0 |
| Rectum # | 216 (52.9) | 174 (42.6) | 17 (4.2) | 1 (0.2) |
| Anus, Anal Canal, AD # | 10 (66.7) | 5 (33.3) | 0 | 0 |
Abbreviations: NOS, Not otherwise specified; AD, Anoderm; #, Due to the small sample size, the data from these locations should be interpreted cautiously.