Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Enlargement of the cardiomediastinal silhouette is stable . Slight blunting of the costophrenic angles may be due to trace pleural effusions versus atelectasis , less likely pneumonia . No overt pulmonary edema is seen . .
    OUTPUT:
    
Stable enlargement of the cardiomediastinal silhouette . Slight blunting of the costophrenic angles may be due to trace pleural effusions versus atelectasis , less likely pneumonia . No overt pulmonary edema .