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- W1978446548 abstract "Esophageal cancer patients treated with radiotherapy (RTx) are most often those with malignancies too extensive for surgery or those who deemed medically unsuitable for an aggressive surgical approach. Summarizing RTx series, the 2-year survival rate is in the range of 10% and at 5 years about 5%. Although not randomly compared, these results are not significantly worse than those achieved with surgery in more advanced tumors. In stage I/II tumors, more recent trials reported of 5-year survival rates varying between 12% and 20%. These data indicate that irradiation may be administered with curative intention but usually only for patients who are also candidates for primary surgery. On the other hand, modern RTx (doses > 60 Gy) +/- endoluminal after-loading may provide good palliation (relief of dysphagia) for patients with good prognostic factors such as weight loss of less than 10% body weight, good performance status, younger age, and location of the tumor. In the perioperative setting, RTx reduced the frequency of the local recurrences but did not increase the overall resection and R0 resection rates and did not improve survival due to more patients relapsing at distant sites. Combined chemoradiotherapy has shown to be superior to RTx alone with respect to local control, disease free survival and overall survival and in a marked reduction of distant failures. These data support the use of chemoradiotherapy as standard treatment of locally advanced and nonresectable esophageal cancer. They also provide a basis for randomized trials comparing chemoradiotherapy alone versus preoperative treatment modalities." @default.
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- W1978446548 date "1994-01-01" @default.
- W1978446548 modified "2023-09-29" @default.
- W1978446548 title "Esophageal Cancer: High dose external beam radiation therapy with or without concomitant chemotherapy for esophageal carcinoma" @default.
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- W1978446548 doi "https://doi.org/10.1093/annonc/5.suppl_3.s9" @default.
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