<prompt> Mediastinoscope can be visualize all of the following lymphnode except?Right paratracheal lymphnodeAoo pulmonary window lymphnodeAnterior trachealSubcarinal  <response>: Mediastinoscopy is a surgical procedure used to obtain specimens from masses or nodes in the mediastinum.Suprasternal approach is commonly used for mediastinoscopy.Aoopulmonary lymph nodes are not accessible by this route and thus are commonly sampled by parasternal mediastinotomy the Chamberlain procedure. Extended mediastinoscopy is a technique which allows access to the pre-aoic station 6 and aoopulmonary windowstation 5 lymph nodes. 