What Happens When Non-Small Cell Lung Cancer Becomes Metastatic?
About 40% of people with non-small cell lung cancer (NSCLC)—a type of cancer that begins in the tissues of your lungs—have metastatic disease at the time of their diagnosis. Metastatic NSCLC refers to lung cancer that has spread to areas of the body, such as the bones or liver, that are further from the lungs