Table 5. . RECIST response of brain lesions to radiation.
| Response | Luminal A, n (%) | Luminal B, n (%) | HER2, n (%) | TN, n (%) |
|---|---|---|---|---|
| CR | 1 (10.0) | 4 (20.0) | 2 (15.4) | 5 (29.4) |
| PR | 3 (30.0) | 4 (20.0) | 6 (46.2) | 4 (23.5) |
| SD | 2 (20.0) | 7 (35.0) | 4 (30.8) | 5 (29.4) |
| PD | 4 (40.0) | 5 (25.0) | 1 (7.7) | 3 (17.7) |
| Unknown RECIST | 10 | 39 | 31 | 66 |
| Median survival after brain metastasis (months) | 7 ± 13.3 | 6 ± 7.5; p < 0.001 | 4 ± 4 | 3 ± 2.5 |
CR: Complete response; PD: Progressive disease; PR: Partial response; RECIST: Response evaluation criteria in solid tumors; SD: Stable disease; TN: Triple negative.