Figure 4b. Mesenteric lymphadenopathy in a 38-year-old man with carcinoid tumor. (a) CT image shows a primary soft-tissue mass (arrows). (b) Non-enhanced CT image obtained 1 year later shows recurrence in a mesenteric lymph node (arrows). (c) Contrast-enhanced CT image obtained at the same time as b shows minimal enhancement of the nodal mass (arrows).