论文部分内容阅读
胃癌是全球常见的癌症之一,据2008年世界癌症报告统计显示,胃癌的发病率居全球恶性肿瘤第四位,在恶性肿瘤死亡病因中居第二位,严重危害着人们的健康。我国是胃癌高发国家,癌症地区分布广泛,且因地域的不同发病率有明显差异。胃癌可防可治,但由于早期胃癌没有明显征兆,极易被人们忽视,从而导致延误最佳治疗时机。胃癌具有哪些类型?致癌因素有哪些?如何
Gastric cancer is one of the common cancers in the world. According to the 2008 World Cancer Report, the incidence of gastric cancer ranks the fourth in the world and ranks second in the cause of death from malignant tumors, which seriously endangers people’s health. China is a country with high incidence of gastric cancer. The cancer area is widely distributed, and there are obvious differences due to the different incidence of the area. Gastric cancer is preventable and curable, but because there are no obvious signs of early gastric cancer, it can easily be neglected, which leads to the delay of the optimal treatment timing. What types of gastric cancer? What are the carcinogenic factors? How