Prophylactic cranial irradiation in resected early stage small cell lung cancer: an updated systematic review and meta-analysis.Yuan Z, Tao D, Yang D, et al. Radiat Oncol. 2025 May 20;20(1):82. doi: 10.1186/s13014-025-02644-5. PMID: 40394671; PMCID: PMC12093860. 外科的切除が行われた早期小細胞肺がんに対する予防的全脳照射(PCI)の有効…