Adjuvant chemotherapy, extent of resection, and immunoistochemical neuroendocrine markers as prognostic factors of early‐stage large‐cell neuroendocrine carcinoma oleh Claudio Andreetti, Mohsen Ibrahim, Antonio Gagliardi, Camilla Poggi, Giulio Maurizi, Domenico Armillotta, Valentina Peritone, Leonardo Teodonio, Erino Angelo Rendina, Federico Venuta, Marco Anile, Giovanni Natale, Mario Santini, Alfonso Fiorelli