Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable supine view of the chest . Numerous clips are seen in the left axilla . The previously noted PICC line has been removed . There are small residual pleural effusions which appear improved prior exam . The heart remains moderately enlarged . Retrocardiac opacity may reflect atelectasis versus pneumonia . There is mild residual pulmonary edema . Mediastinal contour is unchanged . Bony structures appear grossly intact .
    OUTPUT:
    
1 . Persisting cardiomegaly with small residual pleural effusions and mild pulmonary edema . 2 . Retrocardiac opacity may reflect atelectasis versus pneumonia .