Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly low . This accentuates the size of the cardiac silhouette which is borderline enlarged . Mediastinal and hilar contours are unchanged . The pulmonary vasculature is not engorged . Atelectasis is noted in the lung bases without focal consolidation , pleural effusion or pneumothorax . No acute osseous abnormalities demonstrated .
    OUTPUT:
    
Low lung volumes with minimal bibasilar atelectasis .