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乳腺组织的不典型增生为乳腺的癌前病变的观点得到大多数病理学家的认可。本文对乳腺癌病人手术切除乳腺标本的近癌组织和远癌组织作对照研究，探讨其不典型增生的发生和癌细胞浸润情况。1材料本组乳腺癌22例，均为女性，年龄28～69岁。肿瘤直径1cm～5cm，将距离瘤边缘3cm内的?
The view that atypical hyperplasia of breast tissue is a precancerous lesion of breast is recognized by most pathologists. In this study, the breast cancer patients undergoing surgical resection of breast specimens of the proximal and distal cancer tissues were used as controls to investigate the occurrence of atypical hyperplasia and cancer cell infiltration. 1Materials 22 cases of breast cancer in this group, all female, aged 28 to 69 years old. Tumor diameter 1cm ~ 5cm, will be within 3cm from the edge of the tumor?