Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is mild pulmonary edema . There is moderate enlargement of the cardiomediastinal silhouette , without priors for comparison . There are no pleural effusions . There is no pneumothorax .
    OUTPUT:
    
Moderate cardiomegaly and mild pulmonary edema , but no focal consolidations to suggest pneumonia .