Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are again noted , with persistent elevation of the left hemidiaphragm . The cardiac , mediastinal and hilar contours are unchanged , and the pulmonary vascularity is within normal limits . No focal consolidation , pleural effusion or pneumothorax is present . No acute osseous abnormalities are seen . No displaced rib fractures are noted , though the right lateral chest is not completely included within the field of view . Mild anterior loss of height of a low thoracic vertebral body is unchanged .
    OUTPUT:
    
No acute cardiopulmonary abnormality .