Prognostic value of the lactate dehydrogenase to albumin ratio in advanced non-small cell lung cancer patients treated with the first-line PD-1 checkpoint inhibitors combined with chemotherapy - Luo, Meifeng; Wei, Huiting; Qiu, Moqin; Su, Cuiyun; Ning, Ruiling; Zhou, Shaozhang (Frontiers in Immunology, 2025)