Abstract

ObjectiveTo evaluate survival impact of low anterior resection (LAR) in patients with epithelial ovarian cancer (EOC) grossly confined to the pelvis.MethodsWe retrospectively reviewed 397 patients who underwent primary staging surgery for treatment of 2014 International Federation of Gynecology and Obstetrics (FIGO) stage II–IIIA EOC: 116 (29.2%) IIA, 212 (53.4%) IIB, and 69 (17.4%) IIIA. Patients with grossly enlarged retroperitoneal lymph nodes positive for metastatic carcinoma were excluded. Of 92 patients (23.2%) with gross tumors at the rectosigmoid colon, 68 (73.9%) underwent tumorectomy and 24 (26.1%), LAR for rectosigmoid lesions. Survival outcomes between patients who underwent tumorectomy and LAR were compared using Kaplan-Meier curves.ResultsDuring the median follow-up of 55 months (range, 1–260), 141 (35.5%) recurrences and 81 (20.4%) deaths occurred. Age (52.8 vs. 54.5 years, p=0.552), optimal debulking (98.5% vs. 95.0%, p=0.405), histologic type (serous, 52.9% vs. 50.0%, p=0.804), FIGO stage (p=0.057), and platinum-based adjuvant chemotherapy ≥6 cycles (85.3% vs. 79.2%, p=0.485) were not different between groups. No significant difference in 5-year progression-free survival (PFS; 57.9% vs. 62.5%, p=0.767) and overall survival (OS; 84.7% vs. 63.8%, p=0.087), respectively, was noted between groups. Postoperative ileus was more frequent in patients subjected to LAR than those who were not (4/24 [16.7%] vs. 11/373 [2.9%], p=0.001). The 5-year PFS (60.3% vs. 57.9%, p=0.523) and OS (81.8% vs. 87.7%, p=0.912) between patients who underwent tumorectomy and those who did not were also similar.ConclusionSurvival benefit of LAR did not appear to be significant in EOC patients with grossly pelvis-confined tumors.

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