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.
多项研究提示，EBUS - TBNA在判断恶性肿瘤纵隔淋巴结转移上，显示出良好的灵敏度及特异度，优于目前部分常规检查。
A lot of studies showed that EBUS-TBNA had good sensitivity and specificity in diagnosing mediastinal lymph nodes metastasis of malignant tumors, which was even superior to other common examination.
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