Lung cancer is one of the important and dangerous types of cancer and causes deaths. The main cause of lung cancer is cigarette smoking. More exposure to the tobacco causes the lung cancer. There are two types of lung cancer that grows and spreads to the different parts. The two types of lung cancer are small cell lung cancer and the non-small cell lung cancer. Lung cancer is treated through a combination of surgery, immunotherapy, targeted therapy, and chemotherapy and radiation therapy. Here in this video, you are going to watch the top 9 signs of lung cancer.