PMC3913424_01
The presenting umbilical nodule as seen on CT in 2008.
rjt09801.jpg
PMC3913424_01_rjt09801.jpg
RJT098F1
Given his previous colorectal disease, a repeat colonoscopy and computed tomography (CT) scan (Fig. 1) were arranged and the carcinoembryonic antigen (CEA) level was checked.
PMC3913424_02