Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a new moderate right - sided pleural effusion , likely with superimposed comparison atelectasis . There is a small left pleural effusion . There is no focal consolidation , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is stably enlarged . Median sternotomy wires and a prosthetic aortic valve are noted .
    OUTPUT:
    
New moderate right - sided pleural effusion and small left pleural effusion .