胃癌系最常见的恶性肿瘤之一。根据我国各地的统计材料,男性几乎与鼻咽癌、食管癌不相上下,女性也仅次于子宫颈癌及乳腺癌而居第三位。但其诊断方法除了临床检查、实验室检验外,常依靠X线钡餐检查以确定癌瘤的位置及病变范围,而考虑手术治疗的可能性 Gastric cancer is one of the most common malignancies. According to statistical materials from all over China, men are almost equal to nasopharyngeal and esophageal cancers, and women are third only to cervical cancer and breast cancer. However, in addition to clinical examinations and laboratory tests, the diagnosis methods often rely on X-ray barium meal examination to determine the location and extent of lesions of cancerous tumors and consider the possibility of surgical treatment.