A low, intermediate, or high grade malignant neoplasm with neuroendocrine differentiation that arises from the lung. This category includes typical carcinoid tumor, atypical carcinoid tumor, small cell carcinoma, large cell neuroendocrine carcinoma, and combined carcinoma. The disease is Monarch Disease Ontology identifier MONDO_0005454 (lung neuroendocrine neoplasm). Also known as: lung NET, lung neuroendocrine tumor, lung neuroendocrine tumor, well differentiated, low or intermediate grade, lung neuroendocrine tumour, neuroendocrine neoplasm of lung, neuroendocrine neoplasm of the lung, pulmonary neuroendocrine neoplasm.