从术前Ｘ线诊断研究多发胃癌美园俊明等目前早期胃癌的治疗效果极佳，因此，其治疗措施有缩小手术和用内镜在粘膜内切除病灶，用各种设备进行治疗的研究趋势。可是多发癌很难确诊，不仅难于掌握其机理，而且难以控制危险因素。在临床上，无论是用Ｘ线还是用内镜，对于明显... From the preoperative X-ray diagnosis studies of multiple gastric cancers, such as Miyoshi Jun, the current early gastric cancer treatment effect is excellent, so the treatment measures are narrowing the surgical and endoscopic resection of lesions in the mucosa, using various devices for treatment research trends. However, multiple cancers are difficult to diagnose. Not only is it difficult to grasp the mechanism, but it is difficult to control risk factors. Clinically, whether it is with X-ray or endoscope, for obvious ...