Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Heart size is accentuated as a result appearing borderline enlarged . Mediastinal and hilar contours are within normal limits . Pulmonary vasculature is normal . Minimal retrocardiac atelectasis is seen without focal consolidation . No pleural effusion or pneumothorax is present . No acute osseous abnormalities demonstrated .
    OUTPUT:
    
Low lung volumes with minimal retrocardiac atelectasis .