Distribution characteristics and prognosis of tumor-infiltrating lymphocytes in the brain metastases of small cell lung cancer: a retrospective cohort study - Qian, Hesheng; Pang, Jingdan; Wan, Chang; Mei, Xinkuan; Liao, Jinhua; Wang, Bin; Milano, Michael T.; Suwinski, Rafal; Inno, Alessandro; Du, Yingying (Translational Cancer Research, 2024)