Carcinoid. Coronal CT image shows a central mesenteric mass (arrow) with spiculated margin and central calcifications representative of carcinoid tumor. This represents metastases to the mesentery from a small, undetected tumor most often located in the small-bowel wall. Source: Gastrointestinal Imaging, Introduction to Diagnostic Radiology Citation: Elsayes KM, Oldham SA. Introduction to Diagnostic Radiology; 2015 Available at: https://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/1562/elsayes_ch05_fig-c26-01.png&sec=95877721&BookID=1562&ChapterSecID=95877120&imagename= Accessed: December 28, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved