5一氟尿碘院（5－Fu）具有耐受性好，容易给药的特点，因此，近期肿瘤专家推荐其为治疗乳癌及结肠癌的辅助用药。但是，由于应用的广泛，渐发现其对心腹有较严重的毒性。本文作者报道：bW的心脏毒性发生率估计为2锈～18领，主要发生在左室功能减退的患者。1992年～1993年两年中 5-fluorouracil hospital (5-Fu) with good tolerance, easy to administer characteristics, therefore, the recent oncologists recommend it for the treatment of breast cancer and colon cancer adjuvant medication. However, due to its wide range of applications, it has been found that it has more serious toxicity to the confidant. The authors report: The incidence of bW cardiotoxicity is estimated to be 2 rust ~ 18 collar, mainly in patients with left ventricular dysfunction. From 1992 to 1993 two years