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. 2022 Sep 10;50(3):285–310. doi: 10.1007/s10396-022-01236-0

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© The Author(s) 2022, corrected publication 2023

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Fig. 23 — Rectum A view of the entire rectum (RS-Ra) is usually difficult to obtain. Short-axis view of the rectum (Rb) (a). Longitudinal view of the rectum (Rb) through the urinary bladder behind the prostate on the midline of the lower abdomen (arrowhead) (b)