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Trends in Surgical Radicality in Ovarian Cancer 1993–2011. Simple pelvic (left axis): procedures not classified as extensive pelvic or extensive upper abdominal. Extensive Pelvic (right axis): procedures that include small bowel resection, recto-sigmoid resection, colectomy, bladder resection. Extensive upper abdominal (right axis): procedures that include splenectomy, cholecystectomy, liver resection, diaphragm resection.
