Lung cancer is defined as the uncontrolled proliferation of abnormal cells in one or both lungs. These aberrant cells interfere with the function of good lung tissue, which is why the lungs are responsible for giving oxygen to the body. This generally starts in the airway lining. In Indian men, lung cancer is the most frequent cancer. Because the index of suspicion for lung cancer is low, the majority of patients present are in late stages. Lung cancer is classified into two types based on biological behaviour and treatment decisions: • Non-small-cell carcinoma - includes squamous cell carcinoma, adenocarcinoma, large cell carcinoma, bronchioloalveolar cell carcinoma, and others. • Small-cell carcinoma - also known as oat cell carcinoma due to the shape of the cell. Unfortunately, it spreads quickly and has little symptoms at first. Signs and Symptoms of Lung Cancer Lung cancer symptoms are ambiguous and overlap with those of infectious disorders and other benign disorders. Lung c