Methods: 500 cases of elder as studied group and 100 cases of not elder as control group were studied by stomach double contrast bariummealexamination.
方法：以500例老年人为研究组，100例非老年人为对照组，通过双对比造影检查结果进行对照分析。
2
Purpose To find the doubtful signs of gastroesophageal reflux(GER) during bariummealexamination and to heighten the radiologists alertness to the disease.
目的：在上胃肠道钡餐检查涂布钡剂后，观察胃食管反流的可疑征象，提高放射科医师对本病的警觉性。
3
Objective To evaluate the value of color Doppler ultrasonography(US), X-ray bariummealexamination(X-ray) and gastroscopy(GS)in the diagnosis of the cardial cancer.