Combination immunotherapy (immune checkpoint inhibitors and cytotoxic anticancer agents) is widely used as first‐line treatment for advanced non‐small cell lung cancer (NSCLC). However, the therapeutic effect of combination immunotherapy has… Click to show full abstract
Combination immunotherapy (immune checkpoint inhibitors and cytotoxic anticancer agents) is widely used as first‐line treatment for advanced non‐small cell lung cancer (NSCLC). However, the therapeutic effect of combination immunotherapy has not been fully investigated. C‐reactive protein, performance status, lactate dehydrogenase, albumin, and derived neutrophil‐to‐lymphocyte ratio (C‐PLAN) are useful biomarkers for predicting the prognosis of NSCLC; however, there are no reports examining the C‐PLAN index, which combines these five factors in a single prognostic factor.
               
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