Lung cancer

A cancer that begins in the lungs and most often occurs in people who smoke.


Lung cancer begins in the lungs. Causes include smoking, secondhand smoke, exposure to certain toxins, and family history.


Symptoms include cough, chest pain, wheezing, and weight loss and often don't appear until the cancer is advanced.


Treatment may include surgery, chemotherapy, and radiation.

© 1998-2023 Mayo Foundation for Medical Education and Research (MFMER). All rights reserved. | Terms of Use