Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly low . Moderate - to - severe cardiomegaly persists . The mediastinal and hilar contours are stable . There is no pneumothorax or pleural effusion . Bibasilar consolidations may reflect atelectasis or pneumonia in the correct clinical setting . There is no pulmonary edema .
    OUTPUT:
    
Bibasilar atelectasis or pneumonia in the correct clinical setting .