What it means
In cancer care, HL is Hodgkin lymphoma, a cancer of the lymphatic system marked by Reed-Sternberg cells. It often starts with a painless swollen lymph node in the neck and usually responds well to treatment. In ear and hearing care, HL can mean hearing loss. Read it in context.
Related terms
lymph node
A small, bean-shaped organ of the immune system that filters lymph fluid and holds white blood cells.
immune system
The body's defense system of cells, tissues and organs that fights germs and other foreign substances.
TNM
Tumor, Node, Metastasis: a system for describing how far a cancer has grown and spread.