<unk>  is a subtype of<unk><unk><unk> . It is an uncommon low-grade malignant lung mass that is most often in the central airways of the lung.
Typical pulmonary carcinoid tumour
Atypical pulmonary carcinoid tumour
Salivary gland–like carcinoma of the lung
Poorly differentiated thyroid cancer
Large cell neuroendocrine carcinoma of the lung
Fibroblastic and myofibroblastic tumors
Anaplastic thyroid cancer
Epithelial-myoepithelial carcinoma of the lung