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微小胃癌是指直径在5mm以下的胃癌,大都同胃癌进行期共存,单发的较少。东京大学第3外科及所属的6个单位从1956～1979年12月共积累早期胃癌1,039例,1,122个病灶,其中直径10mm以下的106例、112个病灶;直径5mm以下的微小胃癌55例、58个病灶,占全部早期胃癌的5.3%。这些微小癌均是从X线、内窥镜、活检及胃切除标本、显微镜标本上经详细检查发现的。当然也可能有遗漏。一、微小胃癌的生物学特征1.年龄、性别:男性42例、女性13例;男性平均年龄60.7岁、女性58.5岁,男女总平均年龄60.2岁。2.存在部位:在A的22个病灶,M的30个病灶,C的6个病灶,虽以A、M部位较多,但C处的
Small gastric cancer refers to gastric cancer with a diameter of 5 mm or less, most of which coexist with gastric cancer during the onset period, and has less singleness. The 3rd Department of Surgery and its 6 units of the University of Tokyo cumulatively accumulated 1,039 cases of early gastric cancer and 1,122 lesions from December 1956 to December 1979, of which 106 cases and 112 lesions with a diameter of 10 mm or less, and 55 cases of tiny gastric cancer with a diameter of 5 mm or less. 58 lesions accounted for 5.3% of all early gastric cancers. These microscopic cancers were discovered through detailed examination of X-ray, endoscope, biopsy and gastrectomy specimens, and microscope specimens. Of course there may be omissions. First, the biological characteristics of tiny gastric cancer 1. Age, gender: male 42 cases, female 13 cases; male average age 60.7 years, female 58.5 years old, male and female total average age 60.2 years old. 2. Existential sites: 22 lesions in A, 30 lesions in M, and 6 lesions in C, although there are more A and M sites, but at C