Local tumor recurrence after curative resection for rectal cancer

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Abstract
Local tumor recurrence rates after curative rectal cancer surgery with the end-to-end anastomosis stapler (EEA) are reportedly high. Therefore, a retrospective review in ten Yale-affiliated hospitals was undertaken to establish the outcome of surgical resection for rectal cancer in this patient population. Of those 373 patients who had had curative resections, 192 (52 percent) were abdominoperineal resections (APR); 105 patients (28 percent) had restorative resections with sutured anastomoses, and the EEA stapler was used in 76 patients (20 percent). There was an equal distribution of tumors in the various Dukes'' stages in all three procedures. Local tumor recurrence was: APR 19 percent, SUT 17 percent, and EEA 24 percent, but local tumor recurrence was more frequent after EEA than APR for tumors 7 to 10 cm from the anal verge (32 vs. 13 percent, respectively, P<0.05), and the time to recurrence was least in EEA patients. It is concluded that local tumor recurrence is higher than expected for all three procedures and that the EEA stapler was associated with a greater risk of local tumor recurrence. These findings are attributed to surgeon-related technical operative factors rather than to the nature of the tumors themselves.