消化道癌(PC)是人类常见的恶性肿瘤,近年来发病率不断上升,严重威胁着人们的生命,并受到医学界的关注。肿瘤及化疗、放疗对心脏的损害及毒副作用已引起重视。有资料介绍,尸检发现约10%的恶性肿瘤患者具有心脏受累的病理学证据,但目前尚无客观评价心脏损害的程度及早期预测或诊? Digestive tract cancer (PC) is a common malignant tumor in human beings. The incidence of digestive tract cancer (PC) has been on the rise in recent years, which seriously threatens people’s lives and has drawn the attention of the medical community. Tumor and chemotherapy, radiotherapy of the heart damage and side effects have attracted attention. There are data, autopsy found that about 10% of patients with malignant tumors have pathological evidence of heart involvement, but there is no objective assessment of the extent of cardiac damage and early prediction or diagnosis?