69-year-old male found on colonoscopy to have multiple polyps and a rectal cancer. He underwent preoperative chemoRT, underwent resection and received a single cycle of bolus 5-FU with leucovorin. In early 2007, he had multiple complications and ultimately has a permanent ileostomy. Scans over the next few years have demonstrated nonspecific findings in his thorax however in July 2008 he had a mesenteric mass with adenopathy. These lesions had FDG uptake on PET scan.
Diagnosis: Secondary Malignancy in mesentery (PET/CT- Aug 2008), following primary rectal cancer with multiple colonic polyps (Oct 2005)