Does brain radiotherapy improve survival in patients with esophageal squamous cell carcinoma with brain metastasis? - Lin, Gui-Shan; Luo, Hua-Chun; Fu, Zhi-Chao; Liao, Shao-Guang; Cai, Lv-Juan; Zhu, Jin-Feng (Annals of Palliative Medicine; Vol 9, No 3 (May 29, 2020): Annals of Palliative Medicine, 2020)