Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single supine view of the chest demonstrates diffuse right - sided abnormalities with opacities obscuring the mediastinal and hilar contours , similar to the prior study . New right upper lobe opacities are present . Overall , this is likely a combination of effusion and pulmonary edema redistributed compared to the prior study , but superimposed pneumonia can also be considered . On the left , there continues to be a left - sided pleural effusion as well as edema . Cardiac size is enlarged . The patient is status post median sternotomy .
    OUTPUT:
    
Diffuse right - sided opacities have increased , likely reflecting redistrubtution of pleural fluid and edema , but superimposed pneumonia can also be considered . Small left sided effusion and mild edema .