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Abstract

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°á ·Ð: ±¹¼Ò ÁøÇàµÈ º´±âÀÇ ½Äµµ¾Ï¿¡¼­ ¼ö¼ú Àü µ¿½Ãº´¿ë ¹æ»ç¼±-Ç×¾ÏÈ­Çпä¹ýÀ¸·Î ¾çÈ£ÇÑ º´±â ÇÏ°­·ü, Àå±â »ýÁ¸À²À» ¾òÀ» ¼ö ÀÖ¾ú°í ¿ø°Ý ¸²ÇÁÀý ÀüÀÌ°¡ ¾ø´Â °æ¿ì, ¼ö¼ú ÈÄ º´¸®ÇÐÀû ¿ÏÀü°üÇظ¦ ¾òÀº °æ¿ì¿¡¼­ ³ôÀº Àå±â »ýÁ¸À²À» º¸¿´´Ù.

Purpose: This study reports the results of the use of preoperative concurrent radiochemotherapy (CRCT) for the treatment of locoregionally advanced esophageal cancer.

Materials and Methods: From 1998 through 2005, 61 patients with intrathoracic esophageal cancer at stages II-IVB (without distant organ metastasis and presumed to be respectable) received preoperative CRCT. CRCT consisted of radiotherapy (45 Gy /25 fractions /5 weeks) and FP chemotherapy (5-FU 1 g/m2/day, days 1-4 and 29-32, Cisplatin 60 mg/m2/day, days 1 and 29). An esophagectomy was planned in 4¡­6 weeks after the completion of CRCT.

Results: There were two treatment-related deaths. Among the 61 patients, 53 patients underwent surgery and 17 patients achieved a pathological complete response (pCR). The overall survival (OS) rates of all 61 patients at 2 and 5 years were 59.0% and 38.0%, respectively. The rates of OS and disease-free survival (DFS) of the surgically resected patients at 2 and 5 years were 61.6%, 40.1% and 53.3%, 41.8%, respectively. By univariate analysis, achieviement of pCR and a clinically uninvolved distant lymph node (cM0) were favorable prognostic factors for OS and DFS. There were 27 patients that experienced a relapse-a locoregional relapse occurred in 5 patients, a distant metastasis occurred in 12 patients and combined failure occurred in 10 patients.

Conclusion: The results of the current study are favorable. pCR and an uninvolved distant lymph node were found to be favorable prognostic factors.

Å°¿öµå

½Äµµ¾Ï;¼ö¼ú Àü Ä¡·á;µ¿½Ãº´¿ë ¹æ»ç¼±-Ç×¾ÏÈ­Çпä¹ý
Esophageal cance;Preoperative treatment;Concurrent radio-chemotherapy

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