The study results demonstrate the feasibility of single-port-access laparoscopy for extraperitoneal aortic lymphadenectomy. The lymph node count was similar to that described in the published experience of conventional laparoscopic extraperitoneal dissection. This preliminary report shows that SPS is usable for extraperitoneal aortic dissection and that it is possible to perform this procedure using only one skin incision compared with the three or four incisions required for conventional laparoscopy.
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