Multiple myeloma

Cancer of plasma cells

Multiple myeloma

Multiple myeloma (MM), also known as plasma cell myeloma and simply myeloma, is a cancer of plasma cells, a type of white blood cell that normally produces antibodies. Often, no symptoms are noticed initially. As it progresses, bone pain, anemia, renal insufficiency, and infections may occur.

From Wikipedia, under CC BY-SA. More on occurri.