1·Metastases spread via the lymphatic system to cervical and mediastinal nodes, but sometimes to liver, lungs, and bone as well.
病灶通过淋巴系统转移到颈和纵隔淋巴结，有时也可能转移到肝、肺和骨。
2·Direct and traversing lung were performed constantly in biopsy of mediastinal lesions.
纵隔病变穿刺活检多采用直接和经肺途径。
3·Of the 4 patients with pulmonary arterial involvement by lung or mediastinal carcinoma, 3 were confirmed by surgery and 1 by pulmonary angiography.
肺部或纵隔肿瘤累及肺动脉4例，3例手术证实，1例经肺动脉造影证实。
4·Objective to evaluate the clinical applications of alternative approaches to ct guided fine needle biopsy of mediastinal lesions and the disposed complications.
目的探讨纵隔病变的不同穿刺途径的临床应用及并发症处理。
5·The accuracy rate of mediastinoscopy was 93.33% for diagnosing mediastinal tumor and enlarged lymph nodes.
纵隔镜检查术对纵隔不明性质肿物或肿大淋巴结的诊断率为93.33%。