Lung cancer is a type of cancer that originates in the chest and lungs. As you breathe, the air travels down your windpipe coming in through the nose and into the lungs, from where it spreads into the bronchi tubes. Lung cancer is extremely dangerous and fatal. Day by day people are increasingly becoming more and more prone to this disease, being diagnosed incidentally. Here we will tell you all the possible symptoms of lung cancer, making it easier for you to know what exactly is happening. Your health is precious; do not take it for granted. Educate yourselves onto the signs of lung cancer.