A Program Offering CT Colonography for Colorectal Cancer Screening Avoided Colonoscopy and Sedation Risks in Heart Transplant Candidates and Expedited Screening: A Retrospective Observational Study - Diane R.M. Somlo; Reece J. Goiffon; James M. Richter; Asishana A. Osho; Cordula Magee; Sonali Palchaudhuri (Gastro Hep Advances)