Cancer affecting bone marrow or blood is called a. carcinoma b. leukemia c. lymphoma d. sarcoma select the best answer from the choices provided. a b c d

b. leukemia

Explanation: Leukemia is a type of cancer in which the blood forming cells are affected. These includes the lymphatic cells and bone marrow cells. In Leukemia the bone marrow cells produce abnormal white blood cells which divide and produce tumors responsible for cancer.

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