Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The patient is status post median sternotomy and mitral valve replacement . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac silhouette is enlarged but decreased in size compared to the prior study . No overt pulmonary edema is seen .
    OUTPUT:
    
No acute cardiopulmonary process . Enlarged cardiac silhouette , but decreased as compared to the prior study .