The full list of yellow ribbon meanings includes: Adenosarcoma Bladder Cancer Adoptive Parents Bone Cancer Carbon Monoxide Poisoning Craniofacial Acceptance Endometriosis Epithelioid Sarcoma Ewing Sarcoma Microcephaly Missing in Action Missing Children Missing Persons Myxoid Liposarcoma Obesity Osteosarcoma Prisoners of War Refugees Welcome Sarcoma Spina Bifida Suicide Prevention The Disappeared