A gene that produces a protein that sends messages to influence cells and cell growth. In many cancers, this gene is changed or mutated, which in turn can promote the growth and spread of cancer cells.

There are no signs of cancer. The term may be alternatively used with the phrase "complete remission" or "no evidence of disease" (NED).

A doctor may use this test to determine if the melanoma has spread to the lungs or liver or to see if the lymph nodes are larger than normal. It works by taking multiple x-ray images as the machine rotates around the body. Those images are then combined to form a complete image. This gives the doctor a fuller view of the body from different angles.

A lack of energy and motivation.

The US federal agency charged with regulating pharmaceutical drugs, vaccines, and medical devices for their safety, effectiveness, and security.

Pieces of DNA with information the body uses to make new cells and specific proteins; also used to pass traits from parents to offspring.

The process of taking pictures of areas or structures inside the body. X-rays, CT scans, MRIs, PET scans, and ultrasounds are all imaging tests that can be used to diagnose or stage cancer.

The complex system that is the body’s natural defense against infection and disease. It may help the body fight some cancers.

Treatment that can enhance the ability of the body's immune system to fight disease.

A field of cancer research and treatment involving therapies designed to work with the body's immune system to fight cancer.