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Colorectal cancer (CRC) is the leading cause of cancer related death in the United States. Virtual colonoscopy is a new method for imaging the colon and has produced promising early results for polyp and cancer detection. The challenge remains to reproduce these favorable results in clinical practice and to evaluate the use of virtual colonoscopy in a purely screening population. Virtual colonoscopy may dramatically improve population participation in screening programs and play a major role in minimizing the impact of CRC.

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The ability to evaluate renal artery and adrenal anatomy globally can be useful, as exemplified in the current series, and the adrenals should be examined carefully in any renal MR in a hypertensive patient.