| GPA score | SIR score | BSBM score | |||||
---|---|---|---|---|---|---|---|---|
 | 0 | 0.5 | 1 | 0 | 1 | 2 | 0 | 1 |
Age | ≥60 | 51-59 | ≤50 | ≥60 | 51-59 | ≤50 | NA | |
KPS | <70 | 70-80 | 90-100 | ≤50 | 60-70 | >70 | 50-70 | 80-100 |
Control of primary cancer | NA | PD | PR-SD | CR-NED | No | Yes | ||
Volume of the largest BM (cc) | NA | >13 | 5-13 | <5 | NA | |||
No. of BM | >3 | 2-3 | 1 | ≥3 | 2 | 1 | NA | |
EC metastasis | (+) |  | (−) | NA | (+) | (−) |