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有关肝癌的英语文章Liver Cancer

作者:stephen    文章来源:方向标教育网 www.59edu.com    点击数:    更新时间:2007-5-23 【我来说两句

有关肝癌的英语文章Liver Cancer

Liver Cancer

There is no consensus regarding the optimal treatment of patients with liver tumors. This contributes to the pessimistic attitude that many have regarding the treatment of liver cancer. Aggressive treatment strategies can cure or significantly prolong the life of many patients with liver cancer.

The liver is a common site of metastases from a variety of organs such as lung, breast, colon and rectum. When liver metastases occur at the time of initial diagnosis of the primary tumor, they are described as synchronous. If detected after the initial diagnosis, they are described as metachronous. The liver is frequently involved since it receives blood from the abdominal organs via the portal vein. Malignant cells detach from the primary cancer, enter the bloodstream or lymphatic channels, travel to the liver, and grow independently. We do not understand the mechanism of how a tumor cell can leave the primary site and grow in specific organs. Potentially, the environment of the liver is suitable to the growth of certain tumor cells. Once a tumor begins to grow in the liver, it receives its blood supply from the hepatic artery.

肝癌

对肝癌的治疗有分歧。这有利于许多对肝癌治疗持悲观态度。有创见的治疗方案是能治疗或延长肝癌病人的生命。

 

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