Lung cancer also called lung carcinoma is a fatal tumor, which is known for its uncontrolled growth in the lungs. As the size of the tumor increases, the ability of lungs to provide oxygen to bloodstreams decreases. The lung carcinoma is classified as, non-small cell and small cell lung cancer and originates from the epithelial cells. Lung cancer has the highest mortality rate globally, wherein major reasons behind it are excessive smoking of cigarettes and pipe along with exposure to asbestos. There are various symptoms of lung cancer including body mucus, chest pain, weight loss, and coughing. Oncologists suggest different treatment options for lung cancer including chemotherapy, immunotherapy, vaccines, and radiation therapy.