There's two groups of Lung Cancer: Modest Cell Lung Cancer (SCLC) , most aggressive,15% of all lung cancers ,exclusively in people who smoke Non-Small Mobile Lung Most cancers (NCLC) eighty five% of all lung cancers, in non-smokers, women Adenocarcinoma Squamous cell carcinoma (SCC) Big cell carcinoma (LCC) Bronchoalveolar carcinoma (BAC) https://lungsandheart.com/understanding-lung-cancer/