Adenocarcinoma– often start in the outer region of the lung, in glands that would normally secrete mucus to help you breathe.
Squamous Cell Carcinoma– starts in the squamous cells, which are thin, flat cells that line the inside of the airways.
Large Cell Carcinoma– this type of lung cancer can occur anywhere in the lung and is usually aggressive.
Adenocarcinoma is the most common type of lung cancer.