From: Effect of brain radiotherapy strategies on prognosis of patients with EGFR-mutant lung adenocarcinoma with brain metastasis
Prognostic
0
0.5
1.0
Age (y)
 ≥ 70
 < 70
NA
KPS
80
90–100
ECM
Present
Absent
Brain metastases, No.
Gene status
 > 4
EGFR neg/unk and ALK neg/unk
1–4
EGFR pos or ALK pos