Here is a list of the awareness supported by the yellow ribbon. Adenosarcoma,Bladder Cancer, - (Also see: Purple, Blue and Marigold ribbon below)Bone cancer / Osteosarcoma,Craniofacial Acceptance, (CCAKids.org)Endometriosis awareness,Ewings Sarcoma,Hydrocephalus,Liver Cancer,Liver Disease,Micro..