Lung cancer is a form of cancer that begins in the lung cells. Adenocarcinoma, non-small cell lung cancer, begins in the glandular cells on the outside of the lung, and small-cell cancer (e.g. small cell carcinoma) starts in the cells lining the bronchi. Lung cancer, while it begins in the lungs, can metastasize, which means it can spread to other parts of the body.
Each year, more men and women die from lung cancer than breast, colon, and prostate cancer combined. It is a highly fatal disease, with hundreds of thousands of new cases being diagnosed each year. It's critical to recognize the early warning signs of lung cancer in order to intervene appropriately. The earlier individuals seek treatment, the better their prognosis.
A Chronic Cough
Many individuals say they 'just have a cough' and chalk it down to nothing more than that, waiting far too long to be examined. Lung cancer does not just develop in smokers, so non-smokers need to take these symptoms just as seriously as someone who has smoked for years.
If an individual has a cough due to a short-term respiratory infection or cold, their symptoms should subside within a week or two. This length of time is normal and is not worrisome. However, if a cough is lingering, individuals should have their lungs examined by a physician. They will first listen to their lungs and then administer an x-ray.