Lung Neuroendocrine Tumors: A Puzzle in Medicine

Lung neuroendocrine neoplasms, or NENs, are not a single type of tumor but a group of different ones. This group includes well-differentiated neuroendocrine tumors (NETs) and neuroendocrine carcinomas (NECs). Even though doctors have known about these tumors for a long time, they still find them tri