Lymphoma, Hodgkin's lymphoma non hodgkin's , follicular lymphoma , and the HTLV virus. Welcome to our second series on CANCER! Blood cancer Blood cancers affect blood cells and bone marrow -- the spongy tissue inside your bones where blood cells are made. These cancers change the way blood cells behave and how well they work. In this series we will be discussing the ways to prevent blood cancer and survive blood cancer diagnosis! We will learn about cancer cells and how they think and what they expect and how we supply them and ways we can defeat them!