<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A specially trained physician with expertise in the application of bronchoscopic techniques for diagnostic and treatment purposes. Types of procedures and interventions performed by a bronchoscopist include, but are not limited to, evaluation of the air passages of the lung (e.g. localization of tumor or areas of dysplasia) and other chest organs and tissues (e.g. ultrasound localization of mediastinal nodes); treatment of airway obstruction by tumors or foreign bodies, removal of secretions and bronchioalveolar lavage, laser therapy, cryotherapy, brachytherapy, and stenting.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>