ORLANDO (EGMN) - Colorectal cancer screening plays an important role in cancer prevention and detection, not just in the "young-old," but also in the "old-old" - people in their eighties and beyond.And if a cancer is found, the elderly can also derive considerable benefit from treatments including surgery and chemotherapy, two presenters said at a meeting on gastrointestinal cancers sponsored by the American Society of Clinical Oncology.A retrospective review of 1,390 patients aged 80 years and older...