An upper gastrointestinal endoscopic examination revealed a polypoid mass moving to and fro between the stomach and the duodenum.
An upper gastrointestinal endoscopic examination revealed a polypoid mass moving to and fro between the stomach and the duodenum.
在上消化道内视镜检查的时候，我们发现一个肿瘤在胃和十二指肠之间来回移动。