Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval replacement of the mitral and aortic valves with corresponding sternotomy closed with plates and screws for which there are no obvious hardware complications . Moderate right subpulmonic effusion and right - sided layering effusion is seen . Left side is clear . There is no pneumothorax . Cardiomediastinal silhouette is stable and demonstrates an enlarged heart and mildly tortuous aorta .
    OUTPUT:
    
1 ) Interval increase in right - sided pleural effusion . 2 ) Stable cardiomegaly with no evidence of heart failure .