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  • Title: Analysis of prognostic factors and patterns of recurrence in patients with pathologic stage III endometrial cancer.
    Author: Patel S, Portelance L, Gilbert L, Tan L, Stanimir G, Duclos M, Souhami L.
    Journal: Int J Radiat Oncol Biol Phys; 2007 Aug 01; 68(5):1438-45. PubMed ID: 17418961.
    Abstract:
    PURPOSE: To retrospectively assess prognostic factors and patterns of recurrence in patients with pathologic Stage III endometrial cancer. METHODS AND MATERIALS: Between 1989 and 2003, 107 patients with pathologic International Federation of Gynecology and Obstetrics Stage III endometrial adenocarcinoma confined to the pelvis were treated at our institution. Adjuvant radiotherapy (RT) was delivered to 68 patients (64%). The influence of multiple patient- and treatment-related factors on pelvic and distant control and overall survival (OS) was evaluated. RESULTS: Median follow-up for patients at risk was 41 months. Five-year actuarial OS was significantly improved in patients treated with adjuvant RT (68%) compared with those with resection alone (50%; p = 0.029). Age, histology, grade, uterine serosal invasion, adnexal involvement, number of extrauterine sites, and treatment with adjuvant RT predicted for improved survival in univariate analysis. Multivariate analysis revealed that grade, uterine serosal invasion, and treatment with adjuvant RT were independent predictors of survival. Five-year actuarial pelvic control was improved significantly with the delivery of adjuvant RT (74% vs. 49%; p = 0.011). Depth of myometrial invasion and treatment with adjuvant RT were independent predictors of pelvic control in multivariate analysis. CONCLUSIONS: Multiple prognostic factors predicting for the outcome of pathologic Stage III endometrial cancer patients were identified in this analysis. In particular, delivery of adjuvant RT seems to be a significant independent predictor for improved survival and pelvic control, suggesting that pelvic RT should be routinely considered in the management of these patients.
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