Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Postoperative changes right shoulder . Heart size , pulmonary vascularity at the upper limits normal . There is tiny right pleural effusion , more apparent . Minimal left basilar opacity , likely atelectasis , new since prior . There may be tiny left pleural effusion . No pneumothorax .
    OUTPUT:
    
Minimal left basilar opacity , likely atelectasis . Probable tiny bile pleural effusions .