Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 1 view of the chest shows the lungs are low in volume with mild bibasilar reticular opacities . The cardiac silhouette is accentuated , likely due to low lung volumes . The mediastinal silhouette and hilar contours are normal . No pleural effusion or pneumothorax is present . Sternal wires are intact .
    OUTPUT:
    
No overt edema , bibasilar opacities could represent atelectasis or pneumonia .