Sunday June First is Cancer Survivor Day. Right in between Mother’s Day, Father’s Day, Memorial Day, Proms, Weddings and Graduations is the little known outside of the world of cancer a holiday to celebrate survivorship. How appropriate. Cancer is the disease that can just occur in your busy life. Sandwiched between growing up, working on you career, enjoying your family and life, or expecting to retire, you are given the diagnosis of Cancer.