There are 2 groups of Lung Cancer: Tiny Cell Lung Cancer (SCLC) , most aggressive,fifteen% of all lung cancers ,completely in people who smoke Non-Compact 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 https://lungsandheart.com/understanding-lung-cancer/