Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . The heart size is borderline enlarged . The mediastinal and hilar contours are grossly unremarkable . The pulmonary vasculature is not engorged . Minimal atelectasis is noted in the left lower lobe . No focal consolidation , pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .