N	Concordance
1	e evaluation of computed tomography and mediastinoscopy in mediastinal lymph nod
2	all cost may increase, routine cervical mediastinoscopy is necessary for precise
3	s used. All patients underwent cervical mediastinoscopy. When superior mediastin
4	e staging procedures were inconsistent. Mediastinoscopy was required in some tri
5	T were 41 and 77%, respectively, and of mediastinoscopy 100 and 96%, respectivel
6	on in a neoadjuvant trial. The roles of mediastinoscopy and computed tomography 
7	gical mediastinal staging such as prior mediastinoscopy or Chamberlain procedure
8	rovides no accurate staging and routine mediastinoscopy is necessary for precise
9	ce videothoracoscopy as a complement to mediastinoscopy in preoperative manageme
10	gland by a transcervical approach under mediastinoscopy. This procedure provides