Definition:
The initial, or first treatment recommended for a disease or illness.
First-line treatment is usually the standard treatment (the "gold standard") given when someone is diagnosed with a particular disease or condition, such as lung cancer.
Also Known As: first-line therapy
Examples:
Dan's oncologist recommended chemotherapy as first-line treatment for his lung cancer. He told us he would consider a form of targeted therapy as a second-line treatment if Dan did not respond to the treatment.
