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. 2015 Sep 3;6(6):707–717. doi: 10.1007/s13244-015-0427-8

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© The Author(s) 2015

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 8 — A 76-year-old male with anorectal melanoma. a Sagittal T2-weighted MR image shows a heterogeneous mass lesion arising from the anterior wall of the rectum (arrow). b The mass shows enhancement on the corresponding sagittal fat-suppressed T1-weighted MR image (arrow)