Changes in patterns of pulmonary perfusions and ventilation after radiation therapy of intrathoracic malignancies.
D005500:Follow-Up Studies; D006801:Humans; D011652:Pulmonary Circulation / Q000528:radiation effects*; D011878:Radiotherapy / Q000009:adverse effects*; D013899:Thoracic Neoplasms / Q000532:radiotherapy*; D014692:Ventilation-Perfusion Ratio / Q000528:radiation effects*