PMC4873688_01
Patient's abdomen prior to midline incision.
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This patient is a 75 year old man with a history of increasing abdominal distension (Fig. 1) that was recently accompanied by abdominal discomfort and constipation.
Descending and sigmoid colon medialization for giant retroperitoneal tumor resection.
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The descending colon was medialized from the rectosigmoid junction to the splenic flexure (Fig. 2).
Tumor just before complete resection.
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The tumor was completely resected and handed off to pathology for frozen section (Fig. 3 ).
Gross depiction of mass.
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The outer surface showed a partial peritoneal lining (Fig. 4).
Papillary renal cell carcinoma.
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PMC4873688_01_gr5.jpg
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Sections of the lesion revealed a neoplastic epithelial cell proliferation composed of pleomorphic cells in a predominantly papillary configuration (Fig. 5).