Cancers that start out while in the blood-forming tissue on the bone marrow are named leukemias. These cancers tend not to type good tumors. Rather, large numbers of abnormal white blood cells (leukemia cells and leukemic blast cells) Develop up inside the blood and bone marrow, crowding out normal blood https://tarotista35680.therainblog.com/27711000/considerations-to-know-about-cancer