What are the classifications of lung cancer in order of prevalence?,”Non-small cell (85%)1. Adenocarcinoma (women, non-smokers, peripheral lesions, may present as diffuse infiltration on CXR)2. Squamous cell (smokers, central cavitary lesions)3. Large cell (peripheral lesions, necrosis, cavitation)Small Cell (15%, smokers, central lesions, early mets)Carcinoid (neuroendocrine in origin
ectopic Cushings)”