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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. 11 — Third duodenal portion Longitudinal view of the third duodenal portion. From the second duodenal portion, an axial scan is performed on the midline, revealing the third duodenal portion between the abdominal aorta and superior mesenteric artery (SMA). If following the continuity from the second duodenal portion to the third portion is difficult, the probe can be turned 90 ° to allow identification of the short axis of the third portion between the abdominal aorta and SMA