PMC4064382_01
Sagital CT scan view of recurrent rectal cancer which presented as a retroperitoneal perforation forming a recto-cutaneous fistula through the sacrum with extensive adjacent soft tissue infection and necrosis.
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This recurrence presented as a retroperitoneal perforation forming a recto-cutaneous fistula through the sacrum with extensive adjacent soft tissue infection and necrosis (Fig. 1).