在日本国内胃癌是导致死亡的最常见的恶性肿瘤 ,近年其发病率及死亡率均有下降。死亡率下降的原因一是普遍采用了系统性广泛的淋巴结清扫 ,另一重要因素是由于早期胃癌检出率的增加。该研究分析了 196例普查组胃癌与 6 12例非普查组胃癌的临床病理特点及手术结果 ,将普查组又分 In Japan, gastric cancer is the most common malignancy causing death. In recent years, its incidence and mortality have declined. One of the reasons for the decline in mortality is the widespread use of systematic lymph node dissection. Another important factor is the increase in the detection rate of early-stage gastric cancer. The study analyzed the clinicopathological features and surgical outcomes of gastric cancer in 196 cases and gastric cancer in 162 non-census groups.