乳腺癌已成为目前女性最常见的恶性肿瘤之一,对于Ⅱ、Ⅲ期的患者术后均需接受化疗,Ⅱ期中腋窝淋巴结≥4个的患者及Ⅲ期患者还需接受术后锁骨上区、胸壁的放疗。无论是术后化疗还是放疗对心脏均有一定的毒副作用,尤其是左侧乳腺癌接受术后放疗后,更易导致心脏毒性的出现。复方丹 Breast cancer has become one of the most common malignant tumors in women. Patients with stage II and III require chemotherapy after operation. Patients with stage IV axillary lymph nodes≥4 and stage III patients also need to receive the supraclavicular region, Chest wall radiotherapy. Either postoperative chemotherapy or radiotherapy have certain side effects on the heart, especially left breast cancer after receiving radiotherapy, more easily lead to the emergence of cardiac toxicity. Compound Dan