方法分别研究高、低年龄组乳腺癌临床分期、淋巴结分组、肿瘤大小、组织学分级与淋巴结转移率及转移度的关系。结果低龄组乳腺癌淋巴结转移率及转移度高于高龄组。
Methods the relation between clinical stage, lymph node grouping, tumor size and the histologic grading, lymph node metastasis were studied in the young and old patient group.
三个不同年龄组矫治前后的骨组织改变3～6岁组相对后两组较大，但上下前牙代偿性改变11～13岁组较前两组大，3～6岁组最小。
The bone of the 3~6 years group was changed the most, the upper and lower anterior teeth's compensated change of the 11~13 years group was increased the most, and the 3~6 years group was the least.
三个不同年龄组矫治前后的骨组织改变3～6岁组相对后两组较大，但上下前牙代偿性改变11～13岁组较前两组大，3～6岁组最小。
The bone of the 3~6 years group was changed the most, the upper and lower anterior teeth's compensated change of the 11~13 years group was increased the most, and the 3~6 years group was the least.
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