Comment on

• A prospective controlled trial of endobronchial ultrasound-guided transbronchial needle aspiration compared with mediastinoscopy for mediastinal lymph node staging of lung cancer.

  Yasufuku K, Pierre A, Darling G, de Perrot M, Waddell T, Johnston M, da Cunha Santos G, Geddie W, Boerner S, Le LW, Keshavjee S. Yasufuku K, et al. J Thorac Cardiovasc Surg. 2011 Dec;142(6):1393-400.e1. doi: 10.1016/j.jtcvs.2011.08.037. Epub 2011 Oct 2. J Thorac Cardiovasc Surg. 2011. PMID: 21963329 Clinical Trial.