oncology (on-KAH-loh-jee) A branch of medicine that specializes in the diagnosis and treatment of cancer.

Oct 11, 2021 · Explanations about what cancer is, how cancer cells differ from normal cells, and genetic changes that cause cancer to grow and spread.

A cancer is always referred to by the stage it was given at diagnosis, even if it gets worse or spreads. New information about how a cancer has changed over time is added to the original …

Sep 24, 2019 · Even though the immune system can prevent or slow cancer growth, cancer cells have ways to avoid destruction by the immune system. For example, cancer cells may: Have …

A term for diseases in which abnormal cells divide without control and can invade nearby tissues. Cancer cells can also spread to other parts of the body through the blood and lymph systems.

A partial response is a decrease in the size of a tumor or in the amount of cancer in the body, and a complete response is the disappearance of all signs of cancer in the body.

In medicine, an abnormal lesion or growth in or on the body may be benign (not cancer), precancerous or premalignant (likely to become cancer), or malignant (cancer).

Apr 24, 2025 · Although cancer death rates for this age group have declined by 70 percent from 1970 through 2020, cancer remains the leading cause of death from disease among children.

A doctor who has special training in diagnosing and treating cancer. Some oncologists specialize in a particular type of cancer treatment.

Information about cancer in adolescents and young adults (AYAs), including treatment, follow-up care, coping, and related research.