Which of the following pathologic conditions is best demonstrated with evacuative proctography?

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Evacuative proctography (also known as defecography) is a dynamic radiographic examination of the rectum and anal canal during defecation. This procedure is the gold standard for assessing functional abnormalities of the anorectal region, including rectal prolapse. Intussusception, volvulus, and diverticulosis are not typically evaluated with evacuative proctography.

Which of the Following Pathologic Conditions Is Best Demonstrated with Evacuative