胃癌为最常见的消化道恶性肿瘤,在我国不论男女,其发病率均居所有恶性肿瘤之冠,手术切除仍为目前主要治疗手段,也是唯一可以治愈的方法。随着纤维胃镜,双重对比造影的广泛应用和不断改进,近年来早期胃癌检出率不断增加,在日本约占切除病例的 Gastric cancer is the most common malignant tumor of the digestive tract. In both China and the United States, the incidence rate ranks the highest among all malignant tumors. Surgical resection is still the main treatment and is the only method that can be cured. With the wide application and continuous improvement of double-contrast angiography with fiberoptic gastroscopy, the detection rate of early-stage gastric cancer has been increasing in recent years, accounting for approximately excision cases in Japan.