Clinicopathological characteristics and prognostic factors of pulmonary large cell neuroendocrine carcinoma: A large population‐based analysis

Background The study was conducted to compare the clinicopathological characteristics, survival outcomes, and metastatic patterns between pulmonary large cell neuroendocrine carcinoma (LCNEC) and other non‐small cell lung cancer (ONSCLC), and to identify the prognostic factors of LCNEC.