Most commonly, doctors suspect somebody might have lung cancer when they see something on an imaging test such as a CT scan that looks like it could be a tumor. Lung cancer doesn't always cause symptoms in the early stages. Sometimes patients don't have any symptoms at all. Diagnosing lung cancer is a process that involves not just detecting lung cancer but understanding how much it has spread and testing for biomarkers—information that can help determine your best treatment plan.
Lung Cancer Symptoms
Lung Cancer Staging
Page last updated: October 7, 2021