modification of the Chamberlain procedure in which a mediastinoscope is used for exploration of the anterior mediastinum and subaortic regions.
an·te·ri·or me·di·as·ti·nos·co·py
(an-tēr'ē-ŏr mē'dē-as-ti-nos'kŏ-pē) Modification of the Chamberlain procedure in which a mediastinoscope is used for exploration of the anterior mediastinum and subaortic regions.