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1 发病概况 胃癌是人类常见的肿瘤之一,世界平均年发病率为17.6人/10万人口,占世界人类各种恶性肿瘤的第5位,我国胃癌年死亡率为15.41/10万人口,占各种恶性肿瘤的23.03％,为第1位。胃癌以中年人发病率最高,对社会劳动和生产危害极大,因此如何减少发病,提高胃癌治愈率,是一项极有意义的工作,而其中之关键在于早期发现,这是临床工作者必须面临的一项重要任务。 胃癌在人群中的分布,从不满1岁的婴儿至85岁以上的老人均有发病,男性多于女性,发病高峰年龄在40～59岁之间。
1 Overview of the disease Gastric cancer is one of the most common human cancers. The average annual incidence rate in the world is 17.6 people per 100,000 population, which is the fifth most common malignant tumor in the world. The annual mortality rate of gastric cancer in China is 15.41 per 100,000 population. 23.03% of all malignant tumors were ranked first. The incidence of gastric cancer is highest in middle-aged people, and it is a great harm to social labor and production. Therefore, how to reduce the incidence and improve the cure rate of gastric cancer is a very meaningful work. The key to this is early detection, which is a clinician. An important task that must be faced. The distribution of gastric cancer in the population ranged from infants under 1 year of age to those over 85 years old. There were more men than women, and the peak age of onset was between 40 and 59 years.