Fig. 2From: Intrathecal chemotherapy combined with systemic therapy in patients with refractory leptomeningeal metastasis of non-small cell lung cancer: a retrospective studyKaplan‒Meier curve for leptomeningeal metastasis. (A, C, E) Progression-free survival (LM-iPFS); (B, D, F) overall survival (LM-OS).Back to article page