Hodgkin lymphoma is a cancer of the cells in the immune system called lymphocytes.  There are two types of lymphoma:
Hodgkin lymphoma, also called Hodgkin disease.
Non-Hodgkin lymphoma (NHL).
Lymphomas are the most common form of cancer in teens ages 15 to 19. Every patient’s prognosis is different, but Hodgkin disease, for the most part, can be treated and managed.