Letter to the Editor
Recent topics of lung neuroendocrine tumors
Abstract
Pulmonary neuroendocrine tumors (NET), a subtype of lung cancer, comprises typical carcinoids (TCs), atypical carcinoids (ACs), large cell neuroendocrine carcinoma (LCNEC), and small cell lung carcinoma (SCLC). TCs and ACs are low-to-intermediate malignant tumors, on the other hand LCNEC and SCLC are high-grade carcinomas (1).