Question

which of the following is true of lymphoma?
lymphoma is cancer of white blood cells.
lymphoma is cancer of the liver.
lymphoma is cancer of lymphocytes.
lymphoma is cancer of the lungs.

Explanation:

Lymphoma is a type of cancer that specifically affects lymphocytes (a type of white blood cell). Leukemia is cancer of white blood cells in general. Cancer of the liver is hepatocellular carcinoma etc. Cancer of the lungs is lung cancer.

Answer:

Lymphoma is cancer of lymphocytes.