This is the 4th Episode of Cancer series. Lung Cancer is the most common form of cancer in India. It is a type of cancer that starts in the lungs and most often it occurs in people who smoke. I have talked about, what is Lung Cancer, different Types of Lung Cancer, It's causes and risk factors, symptoms, etc. I hope you will find it useful and informative. Find me on: https://shaggywrites.com/