Lung cancer surgery is the primary treatment for lung cancer, when possible. Learn about the multiple types of lung cancer surgery, procedures, and associated risks.

Never-smokers are increasingly diagnosed with lung cancer due to genetic factors, radon exposure, and pollutants. Women and certain populations are at higher risk.

Carcinoid tumors arise from enterochromaffin cells, which originate from the embryonic neuroectoderm. Gastric carcinoids can present as an ulcerated mass causing gastrointestinal bleeding.