目的：探讨肝恶性肿瘤经导管动脉化疗栓塞术(TACE)后出现缺血性并发症的频次、治疗方法和预后。
Purpose: To evaluate the frequency, methods of treatment, and the outcome of ischemic complications after transcatheter arterial chemoembolization (TACE) in hepatic malignant tumors.
肿瘤由纤维化的间质组成，间质中有着扁平的长导管，导管是由呈良性上皮排列而成。
The neoplasm itself is composed of a fibroblastic stroma in which are located elongated compressed ducts lined by benign appearing epithelium.
因为这种肿瘤非正常生长通常并不显示出长期的风险，一些专家质疑原位导管癌(DCIS)是否需要治疗。
Some experts question the need to treat DCIS at all, since the abnormal growths usually pose no long-term risks.
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