What Is Stage 3 Lung Cancer?
Stage 3 also has three sub-stages that give more details about how and where the cancer has advanced. This article discusses the causes of stage 3 NSCLC and how it is diagnosed. Learn more about the symptoms and treatment options involved with stage 3 NSCLC below. jacoblund / Getty Images Oncologistsuse a classification system called theTNM systemto characterize the stages of lung cancer. For example: Symptoms of any cancer, such asfatigueandunintentional weight loss, may be present as well....