title: Radiology corner. Case #7.
authors: David
authors: D
authors: Parrish
mesh_terms: D003109:Colonic Diseases, Functional / Q000175:diagnosis*; D023881:Colonography, Computed Tomographic; D015179:Colorectal Neoplasms / Q000175:diagnosis*; D006801:Humans; D008403:Mass Screening; D010821:Physicians, Family; D012002:Rectal Diseases / Q000175:diagnosis*