There are two groups of Lung Cancer: Modest Cell Lung Cancer (SCLC) , most aggressive,fifteen% of all lung cancers ,completely in people who smoke Non-Modest Cell Lung Cancer (NCLC) eighty five% of all lung cancers, in non-people who smoke, ladies Adenocarcinoma Squamous cell carcinoma (SCC) Big cell carcinoma (LCC) Bronchoalveolar https://lungsandheart.com/understanding-lung-cancer/