Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs Lung cancerUpdated: 2017-06-13OverviewLung cancer begins in the lungs. Causes include smoking, secondhand smoke, exposure to certain toxins, and family history. SymptomsSymptoms include cough, chest pain, wheezing, and weight loss and often don't appear until the cancer is advanced.TreatmentsTreatment may include surgery, chemotherapy, and radiation. © 1998-2023 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use