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Classification of Primary Malignant Lung Tumors

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professional

Type	Example
Carcinoma*
Small cell lung cancer	Classic small cell Combined small cell
Non–small cell lung cancer	Adenocarcinoma Adenosquamous Large cell Squamous cell Sarcomatoid
Other
Bronchial gland carcinoma	Adenoid cystic Mucoepidermoid
Neuroendocrine tumors (carcinoid)	Typical neuroendocrine tumors Atypical neuroendocrine tumors
Other special entities	Bronchiolar adenoma Ciliated muconodular papillary tumor (CMPT) SMARCA4-deficient undifferentiated tumor Primary pulmonary hyalinizing clear cell carcinoma
Mesothelioma	—
* Adenocarcinoma in situ and minimally invasive adenocarcinoma are precursor lesions.