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1 731例进展期胃癌的分析结果表明男性年龄(57.26±9.39岁)显著高于女性年龄(54.40±11.37岁)。男女比例随年龄增大而增大,部位愈高,男女比例也愈大。40岁以上和40岁以下相比,胃癌的发生部位与病理分型的分布有显著差异。40岁以上以分化程度高的腺癌为主,高位胃癌的比重显著高于40岁以下者;而40以下者以分化程度低的胃癌为主,高位胃癌少见。老年人胃癌近年有上升趋势,约占全部胃癌的一半左右。
The analysis results of 1 731 cases of advanced gastric cancer showed that the age of males (57.26±9.39 years) was significantly higher than that of females (54.40±11.37 years). The proportion of men and women increases with age, the higher the position, the greater the proportion of men and women. Compared with 40 years old and under 40 years old, the occurrence of gastric cancer was significantly different from the distribution of pathological types. Adenocarcinomas with a high degree of differentiation are predominantly over the age of 40, and the proportion of high-grade gastric cancers is significantly higher than those under the age of 40; those below 40 are mainly low-differentiated gastric cancers, and high-grade gastric cancers are rare. In recent years, the elderly have increased gastric cancer, accounting for about half of all gastric cancers.