text: Thankfully, childhood cancer is relatively rare, affecting only about 14 of every 100,000 children in the United States each year.\nhttp://kidshealth.org/parent/medical/cancer/cancer.html\n\nEach year approximately 12,500 American children are diagnosed with cancer. \nhttp://www.healthatoz.com/healthatoz/Atoz/dc/cen/canc/gen/parentsguide.jsp