Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes . Mild pulmonary edema . No focal consolidations to suggest pneumonia . Stable enlargement of the cardiomediastinal silhouette . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Mild pulmonary edema , but no focal consolidations to suggest pneumonia .