Lung cancer is the most common cause of cancer-related deaths worldwide, as 2.1 million people were diagnosed with disease and 1.8 passed away from lung worldwide in 2018.[1] The condition split into two sections: Small Cell Cancer (SCLC) Non-Small (NSCLC). In this research paper, I discuss key aspects NSCLC, including risk factors, symptoms, diagnosis, treatment, prevention, epidemiology. Last...