Final answer:
Lymphoma is a cancer that affects lymphocytes, a type of white blood cell. HIV, leukemia, and lymphoma are all related to abnormalities in white blood cells.
Step-by-step explanation:
Lymphoma is a cancer that affects lymphocytes, a type of white blood cell. The conditions of HIV, leukemia, and lymphoma are all related to abnormalities in white blood cells. HIV weakens the immune system by attacking and destroying white blood cells, while leukemia is a cancer that involves an abnormal increase in white blood cells. Lymphoma specifically targets lymphocytes and can affect different types of lymphocytes in different ways.