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Survival and Failure Pattern of Patients With Endometrial Cancer After Extensive Surgery Including Systematic Pelvic and Para-Aortic Lymphadenectomy Followed by Adjuvant Chemotherapy
  1. Hidemichi Watari, MD, PhD,
  2. Takashi Mitamura, MD,
  3. Masashi Moriwaki, MD,
  4. Masayoshi Hosaka, MD,
  5. Yoko Ohba, MD,
  6. Satoko Sudo, MD, PhD,
  7. Yukiharu Todo, MD, PhD,
  8. Mahito Takeda, MD, PhD,
  9. Yasuhiko Ebina, MD, PhD and
  10. Noriaki Sakuragi, MD, PhD
  1. Department of Obstetrics and Gynecology, Hokkaido University Graduate School of Medicine, Sapporo, Japan.
  1. Address correspondence and reprint requests to Hidemichi Watari MD, PhD, Department of Obstetrics and Gynecology, Hokkaido University School of Medicine, N15 W7, Kita-Ku, Sapporo, 060-8638, Japan. E-mail: watarih{at}


We investigated the survival and the failure pattern of 288 patients with endometrial cancer treated with extensive surgery including systematic pelvic and para-aortic lymphadenectomy followed by cisplatin-based chemotherapy from 1982 to 2002. We correlated the failure pattern with various clinicopathologic factors to find the predictors of recurrence sites. The 5-year overall survival rates were 97.5% for stage I, 87.5% for stage II, 85.2% for stage III, and 12.5% for stage IV. Notably, the 5-year survival rate was 76.5% for patients with stage IIIC disease. Among patients with a low risk (n = 92) for recurrence who received no adjuvant chemotherapy, 2 (2.2%) showed recurrent disease. Among those with intermediate (n = 98) and high (n = 98) risks for recurrence who received adjuvant chemotherapy, 9 (9.2%) and 20 (20.4%) showed recurrent disease, respectively. The recurrence sites were described as follows: distant (n = 12), vaginal (n = 8), peritoneal (n = 7), pelvic (n = 2), and lymphatic (n = 2). Lymphatic failure was found beyond the area of lymphadenectomy. Architectural and nuclear grades; myometrial, lymph-vascular space, and cervical invasions; and lymph node metastasis were predictors of distant failure. Cervical invasion and lymph node metastasis were predictors of vaginal failure. For patients with stage I/II cancer, the architectural and nuclear grades were related to distant failure. Seven (63.6%) of 11 patients with a low or intermediate risk survived after relapse, whereas only 1 (4.8%) of 21 patients with a high risk survived after a recurrence. We conclude that we need to further test the efficacy of systemic adjuvant therapy using new chemotherapeutic regimens to prevent distant failure and to improve the survival of patients with endometrial cancer.

  • Endometrial cancer
  • Failure pattern
  • Chemotherapy
  • Pathologic risk factors

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