<unk>  is a subtype of pulmonary<unk> <unk> . It is an uncommon low-grade malignant lung mass that is most often in the central airways of the lung. It is also known as<unk>  lung<unk><unk> ", "<unk>  lung<unk> " or "moderately differentiated neuroendocrine carcinoma". It is a more aggressive than<unk><unk> <unk> s: nodal metastases in 70% vs. 5%. The 5 year survival is 49-69%.<unk><unk> <unk> s have increased mitotic activity (2-10 per 10 HPF), nuclear pleomorphism or foci of necrosis. __TOC__
Atypical pulmonary carcinoid tumour
Pulmonary neuroendocrine tumor
Large cell neuroendocrine carcinoma of the lung
Salivary gland–like carcinoma of the lung
Mucinous cystadenocarcinoma of the lung
Epithelial-myoepithelial carcinoma of the lung
Pulmonary enteric adenocarcinoma
Tuberculoma