1. Survival outcomes of adjuvant radiotherapy and chemotherapy in women with stage I serous papillary and clear cell carcinoma of the endometrium: a Korean multicenter study.
- Author
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Kim M, Kwon BS, Chang HK, Lee S, Chang SJ, Choi JY, Park SY, Lee M, Ryu HS, and Kim YB
- Subjects
- Adult, Aged, Aged, 80 and over, Combined Modality Therapy mortality, Cystadenocarcinoma, Papillary mortality, Cystadenocarcinoma, Papillary pathology, Cystadenocarcinoma, Papillary therapy, Cystadenocarcinoma, Serous mortality, Cystadenocarcinoma, Serous pathology, Cystadenocarcinoma, Serous therapy, Female, Humans, Hysterectomy mortality, Middle Aged, Neoplasm Staging, Republic of Korea epidemiology, Retrospective Studies, Survival Analysis, Treatment Outcome, Adenocarcinoma, Clear Cell mortality, Adenocarcinoma, Clear Cell pathology, Adenocarcinoma, Clear Cell therapy, Chemotherapy, Adjuvant mortality, Cystadenocarcinoma mortality, Cystadenocarcinoma pathology, Cystadenocarcinoma therapy, Endometrial Neoplasms mortality, Endometrial Neoplasms pathology, Endometrial Neoplasms therapy, Radiotherapy, Adjuvant mortality
- Abstract
Objective: To compare the survival outcomes of adjuvant radiotherapy and chemotherapy in women with uterine-confined endometrial cancer with uterine papillary serous carcinoma (UPSC) or clear cell carcinoma (CCC)., Methods: Medical records of 80 women who underwent surgical staging for endometrial cancer were retrospectively reviewed. Stage I UPSC and CCC were pathologically confirmed after surgery. Survival outcomes were compared between the adjuvant radiotherapy and chemotherapy groups., Results: Fifty-four (67.5%) and 26 (32.5%) women had UPSC and CCC, respectively. Adjuvant therapy was administered to 59/80 (73.8%) women (25 radiotherapy and 34 chemotherapy). High preoperative serum cancer antigen-125 level (25.1±20.2 vs. 11.5±6.5 IU/mL, p<0.001), open surgery (71.2% vs. 28.6%, p=0.001), myometrial invasion (MI) ≥1/2 (33.9% vs. 0, p=0.002), and lymphovascular space invasion (LVSI; 28.8% vs. 4.8%, p=0.023) were frequent in women who received adjuvant therapy compared to those who did not. However, the histologic type, MI ≥1/2, and LVSI did not differ between women who received adjuvant radiotherapy and those who received chemotherapy. The 5-year progression-free survival (78.9% vs. 80.1%, p>0.999) and overall survival (77.5% vs. 87.8%, p=0.373) rates were similar between the groups. Neither radiotherapy (hazard ratio [HR]=1.810; 95% confidence interval [CI]=0.297-11.027; p=0.520) nor chemotherapy (HR=1.638; 95% CI=0.288-9.321; p=0.578) after surgery was independently associated with disease recurrence., Conclusion: Our findings showed similar survival outcomes for adjuvant radiotherapy and chemotherapy in stage I UPSC and CCC of the endometrium. Further large study with analysis stratified by MI or LVSI is required., Competing Interests: No potential conflict of interest relevant to this article was reported., (Copyright © 2019. Asian Society of Gynecologic Oncology, Korean Society of Gynecologic Oncology.)
- Published
- 2019
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