Chronic lymphocytic leukemia-- or CLL-- is a type of cancer that happens in your blood and bone marrow, the spongy tissue inside your bones. While the exact cause isn't known, doctors do know that ...

Multiple myeloma is a rare blood cancer of the plasma cells in bone marrow -- the soft, spongy interior of bone ... Although ...

Bone marrow disorders are often treated with medication ... Your bone marrow is a spongy material located in the cavities of your bones. Bone marrow has many important roles, including producing ...