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. 2016 Jan 20;63(1):59–66. doi: 10.1002/jmrs.154

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© 2016 The Authors. Journal of Medical Radiation Sciences published by John Wiley & Sons Australia, Ltd on behalf of Australian Institute of Radiography and New Zealand Institute of Medical Radiation Technology.

This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Peritoneal free fluid (asterisk) and lymph nodes (arrowheads) can be secondary signs of appendicitis.