title: Pulmonary perfusion and ventilation studies in intrathoracic malignancies.
mesh_terms: D000328:Adult; D000368:Aged; D001984:Bronchial Neoplasms / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging; D008297:Male; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging; D008875:Middle Aged; D011652:Pulmonary Circulation; D011877:Radionuclide Imaging; D013899:Thoracic Neoplasms / Q000000981:diagnostic imaging*; D014692:Ventilation-Perfusion Ratio; D014980:Xenon Radioisotopes
chemical_list: D014980:Xenon Radioisotopes