Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is continued blunting of the right costophrenic sulcus . There is minimal streaky density bilaterally consistent with subsegmental atelectasis or scarring . The patient is status post median sternotomy as before . The heart remains enlarged . Mediastinal structures are otherwise unremarkable . There is biapical pleural thickening . The bony thorax is grossly intact .
    OUTPUT:
    
Blunting of the right costophrenic sulcus consistent with pleural thickening or fluid . Cardiomegaly .