• Siran Yang, Wenqing Wang, Nan Bi, Zongmei Zhou, Qinfu Feng, Zefen Xiao, Dongfu Chen, Jun Liang, Jima Lu, Jianyang Wang, Xin Wang, Jingbo Wang, Yong Yang, Ningning Lu, Hongxing Zhang, and Luhua Wang.
• Department of Radiation Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
• Medicine (Baltimore). 2022 Oct 21; 101 (42): e31215e31215.

AbstractEsophageal carcinosarcoma is a rare type of esophageal cancer; however, few studies have investigated the effects of radiotherapy in locally advanced patients. This study aimed to report experience of the safety and efficacy of intensity-modulated radiotherapy for locally advanced esophageal carcinosarcoma and review the literature. By searching the institutional database between January 2010 and December 2020, along with the literature review, 25 patients were eligible for the study. The clinical and radiologic information of all patients with esophageal carcinosarcoma who underwent radiotherapy were collected. Survival outcomes were calculated using Kaplan-Meier plots. In our series, 5 patients were in the curative/neoadjuvant radiotherapy group and 10 patients were in the adjuvant group. Most tumors were protruding (n = 10, 66.7%). All patients underwent intensity-modulated radiotherapy. In the curative/neoadjuvant radiotherapy group, 2 patients underwent concurrent chemoradiotherapy before surgery, and the other three received radiotherapy alone as the initial treatment. The median follow-up time was 43.1 months. All patients showed a partial response at the efficacy evaluation. The median time of overall survival and progression-free survival were 40.2 months (95% confidence interval [CI], 13.1-67.3 months) and 19.0 months (95% CI, 13.9 months-24.1 months) for the entire cohort, but were not reached for curative/neoadjuvant radiotherapy group. Overall survival (hazard ratio [HR] 0.81, 95% CI, 0.15-4.43; P = .805) and progression-free survival (HR 1.68, 95% CI, 0.35-8.19; P = .514) did not differ significantly between the 2 groups. When considering the literature review data in the final analysis, overall survival (HR 0.84, 95% CI, 0.25-2.81; P = .779) and progression-free survival (HR, 0.68; 95% CI, 0.26-1.76; P = .425) were also not different between the 2 groups. Treatment based on intensity-modulated radiotherapy with neoadjuvant or curative intent may be an option for patients with unresectable esophageal carcinosarcoma. Further research with a larger sample size is needed to validate the reliability.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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