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J Surg Oncol. 2010 Feb 1;101(2):116-21. doi: 10.1002/jso.21436.

Robot-assisted staging using three robotic arms for endometrial cancer: comparison to laparoscopy and laparotomy at a single institution.

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  • 1Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Women's Cancer Clinic, Yonsei University College of Medicine, Seoul, Korea.



To demonstrate the feasibility of robot-assisted staging surgery using three arms in patients with endometrial cancer.


One hundred nine patients with clinical stage I endometrial cancer who underwent staging surgery at Yonsei University Health System were enrolled from May 2006 to January 2009. Patient demographics and operative outcomes were prospectively collected.


Robotic surgery using three arms was performed in 28 patients, laparoscopy in 25, and laparotomy in 56. There were no differences among the three groups in terms of patient demographics. The number of harvested pelvic lymph nodes was lower in the laparoscopy group than in the laparotomy group (18.36 +/- 7.25 vs. 24.39 +/- 10.08, respectively, P = 0.025), but there was no difference between the robot and laparotomy groups. The number of resected para-aortic lymph nodes and operative time did not differ among the three groups. The average hospital stay was longer for the laparotomy group than the robot and laparoscopy groups (10.78 days vs. 7.92 days vs. 7.67 days, respectively, P < 0.001). Operative complications and transfusions developed more frequently in the laparotomy group than in the robot and laparoscopy groups (25.0% vs. 7.1% vs. 8.0%, respectively, P = 0.049; 42.9% vs. 14.3% vs. 16.0%, respectively, P = 0.006).


Robot-assisted surgery using three arms is a feasible method for surgical staging in patients with clinical stage I endometrial cancer.

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