Two back-to-back papers published in Nature on Sept. 10, 2025, shed new light on the unexpected role of neurons in shaping the evolution of small-cell lung cancer (SCLC). It’s already known that, in gliomas, cerebral cancer cells actively damage axons, contributing to tumor progression through direct neural disruption. Comparable nerve-tumor interactions have been reported in peripheral cancers, where tumor-induced nerve disruption promotes inflammation and an immunosuppressive microenvironment linked to immunotherapy resistance.