There are 2 groups of Lung Cancer: Little Cell Lung Most cancers (SCLC) , most intense,15% of all lung cancers ,exclusively in people who smoke Non-Compact Mobile Lung Cancer (NCLC) 85% 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/