thoracoscopy

noun
tho·​ra·​cos·​co·​py | \ ˌthōr-ə-ˈkäs-kə-pē, ˌthȯr- How to pronounce thoracoscopy (audio) \
plural thoracoscopies

Medical Definition of thoracoscopy

: examination of the chest and especially the pleural cavity by means of a thoracoscope … specializes in thoracoscopy, which permits examination of the lungs or other parts in the chest cavity without making a large incision.The Tampa Tribune, 4 May 2006

called also pleuroscopy