Symptoms & Causes

Adenocarcinoma Lung Cancer: Symptoms, Causes, and Treatments

Lung adenocarcinoma is the most common subtype of lung cancer, accounting for about 40% of all lung cancers and nearly half of all non-small cell lung cancers (NSCLC) . It often develops in the outer regions of the lungs and tends to grow more slowly than other lung cancer types, but it is frequently diagnosed at an advanced stage, leading to a poor prognosis . Advances in targeted therapies and immunotherapy have improved treatment outcomes, yet lung adenocarcinoma remains a leading cause of cancer death worldwide .