论文部分内容阅读
胃癌是目前全世界最常见的恶性肿瘤之一,其死亡率居人类所有恶性肿瘤的第2位[1]。根据国际癌症研究机构2008年的数据显示,全世界每年新发胃癌93.4万例,位居所有恶性肿瘤的第4位;每年约有70万患者死于胃癌,位于癌症死因的第2位[2]。而中国是胃癌高发地区,其患病率和死亡率超过世界平均水平的2倍,是危害我国居民健康的重大疾病之一。目前,早期胃癌(EGC)检出率逐年升高,占我国
Gastric cancer is one of the most common malignancies in the world and its mortality rate ranks the second in all human malignancies [1]. According to data from the International Agency for Research on Cancer (IARC) in 2008, there were 934,000 new gastric cancers annually in the world, ranking No. 4 in all malignancies; about 700,000 patients die of gastric cancer each year, ranking the second in the cause of cancer [2 ]. In China, where gastric cancer is endemic, its prevalence and mortality are more than twice the world average, making it one of the major diseases endangering the health of Chinese residents. At present, the detection rate of early gastric cancer (EGC) increased year by year, accounting for China