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肝脏是恶性肿瘤最易发生转移的器官之一，以胃肠道的恶性肿瘤最为突出，肝脏转移瘤发生率较高，在国内与肝脏原发性恶性肿瘤相仿，而国外两者之比为２０∶１，许多原发性恶性肿瘤病人由于肝内出现广泛转移，失去治疗良机而丧生，为进一步提高肝脏转移瘤的检出率，现重点介绍其
The liver is one of the most easily metastasized organs of malignant tumors, with the most prominent malignant tumors in the gastrointestinal tract and high incidence of hepatic metastases. It is similar to primary malignant tumors in the liver, and the ratio between the two is 20 1:1, many patients with primary malignant tumors died due to widespread metastases in the liver and lost treatment opportunities. To further improve the detection rate of liver metastases, we will focus on