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论述了胃癌患者CT扫描前必须要进行的技术准备。指出空腹、饮水、低张药物和扫描体位对胃癌在CT上的诊断有着极大的影响。
The technical preparations that must be carried out before CT scan of gastric cancer patients are discussed. It is pointed out that fasting, drinking water, hypotonic drugs and scanning position have a great influence on the diagnosis of gastric cancer on CT.