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目的探讨中晚期乳腺癌术后放疗的疗效。方法５０例术后患者（其中根治术１９例、改良根治术３１例）在术后２月内进行放疗。设野包括内乳区野、腋—锁联合野、胸壁野，计划靶区剂量为５０Ｇｙ。结果３年、５年生存率及３年复发率：根治术＋放疗组分别为９４．７％（１８／１９），７７．７％（７／９），１５．７％（３／１９）；改良根治术＋放疗组分别为９０％（２８／３１），６５．３％（１７／２６），１９．３％（６／３１）。复发部位以胸壁多见。结论中晚期乳腺癌术后应积极采用放疗，常规照射胸壁以提高疗效
Objective To investigate the efficacy of postoperative radiotherapy in advanced breast cancer. Methods 50 cases of postoperative patients (including radical resection in 19 cases and modified radical resection in 31 cases) received radiotherapy within 2 months after operation. Set up the wild, including the inner milk field wild, lock-lock joint field, chest wall field, the planned target area dose is 50Gy. Results The 3-year, 5-year survival rate and 3-year recurrence rate were 94.7% (18/19), 77.7% (7/9), and 15.7% (3/19) in the radical surgery + radiotherapy group, respectively. The modified radical mastectomy + radiotherapy group was 90% (28/31), 65.3% (17/26), and 19.3% (6/31), respectively. The recurrence site is more common in the chest wall. Conclusion Radiotherapy should be used actively in postoperative patients with advanced breast cancer.