Objective:To study the demonstration of the anterior wallofstomach(AWS)by means of double constrast (DC) radiograph, and improve the detectability of the lesion in AWS.
目的：研究胃前壁双重相的显示，以及如何更好地显示前壁病变。
2
Excessive pressure can lead to perforation of the stomachwall.
过大的压力会导致胃壁穿孔。
《牛津词典》
3
Doctors used a long robotic tube to pass the instrument down the patient's throat. Then they made a cut in the wallof the stomach.