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  • 标题:Long-term results of definitive chemoradiotherapy for unresectable locally advanced esophageal squamous cell carcinoma
  • 本地全文:下载
  • 作者:Masanori Ochi ; Yuji Murakami ; Ikuno Nishibuchi
  • 期刊名称:Journal of Radiation Research
  • 印刷版ISSN:0449-3060
  • 电子版ISSN:1349-9157
  • 出版年度:2021
  • 卷号:62
  • 期号:1
  • 页码:142-148
  • DOI:10.1093/jrr/rraa110
  • 摘要:Abstract Purpose The present study aimed to evaluate the long-term results of definitive chemoradiotherapy (CRT) for unresectable locally advanced esophageal squamous cell carcinoma (LA-ESCC). Materials and methods We analyzed eighty patients with unresectable LA-ESCC, who underwent definitive CRT between 2001 and 2014. The 5-year overall survival (OS), cause-specific survival (CSS), and progression-free survival (PFS) rates were calculated, and we investigated the prognostic factors and adverse events. Results The median age was 66 years (range, 41–83 years). Histologically, all patients had squamous cell carcinoma. The most common tumor site was the middle thoracic esophagus in 43 (54%) patients. According to the eighth edition of the Union for International Cancer Control TNM classification, sixty-six patients (83%) had T4 disease, 59 (74%) had regional lymph node (LN) metastases, and 35 (44%) had distant LN metastases beyond the regional LN (M1 LYM) disease. Forty-five (56%) and 35 (44%) patients belong to clinical stages IVA and IVB, respectively. The median follow-up period for survivors was 86 months. The 5-year OS, CSS, and PFS rates were 20.2%, 25.7%, and 18.4%, respectively. On univariate analysis, only the performance status score was significantly associated with better overall survival (p = 0.026). Grade 3 or higher late adverse events were observed in 12 (15%) patients, and these included cardiopulmonary adverse events in 6 (8%) patients. Treatment-related death occurred in 3 (4%) patients. Conclusion We showed the long-term results of definitive CRT for unresectable LA-ESCC. The survivals are still poor and new treatment strategies need to be developed.
  • 关键词:chemoradiation therapy;squamous cell carcinoma;the long-term results;unresectable locally advanced esophageal cancer
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