目的探讨乳腺癌保乳治疗的方法与疗效。方法19例Ⅰ～Ⅱ期原发性乳腺癌施行局部扩大切除并腋窝淋巴结清扫,手术后患侧乳房接受放射治疗。结果手术后6个月随访,患者本人对保留乳房的满意率100%,十分满意者占90%。经随访2～26个月,平均随访12个月,无局部复发,无远处转移和死亡病例。结论Ⅰ～Ⅱ期乳腺癌实施保乳治疗,近期疗效满意,远期效果有待长期随访观察。 Objective To investigate the method and effect of breast-conserving therapy for breast cancer. Methods Nineteen patients with stage Ⅰ ~ Ⅱ primary breast cancer undergone local enlargement resection and axillary lymph node dissection, and the affected side breast received radiotherapy after operation. Results Six months after surgery, the patients were 100% satisfied with breast preservation and 90% were satisfied. After a follow-up of 2 to 26 months, with an average follow-up of 12 months, no local recurrence, no distant metastasis and deaths. Conclusion Breast cancer Ⅰ ~ Ⅱ breast-conserving treatment, the recent satisfactory results, the long-term results to be long-term follow-up observation.