There's two groups of Lung Cancer: Smaller Mobile Lung Cancer (SCLC) , most aggressive,15% of all lung cancers ,exclusively in people who smoke Non-Compact Mobile Lung Most cancers (NCLC) 85% of all lung cancers, in non-smokers, females Adenocarcinoma Squamous mobile carcinoma (SCC) Significant mobile carcinoma (LCC) Bronchoalveolar carcinoma (BAC) Some https://lungsandheart.com/understanding-lung-cancer/