This type of tumour have less than 1% incidence of all primary lung cancers. Primary lung tumours originated from the tissues of the lung, not metastasized from other locations in the body.
Sarcomatoid carcinoma
Adenomatoid tumor
Spindle cell carcinoma
Mucinous carcinoma
Basal-like carcinoma
Anaplastic carcinoma
Verrucous carcinoma
Epithelioma