Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The aorta is mildly tortuous . Mediastinal and hilar contours are unremarkable . The pulmonary vasculature is normal . Minimal streaky bibasilar opacities likely reflect atelectasis . No focal consolidation , pleural effusion or pneumothorax is seen . Left shoulder arthroplasty is partially imaged along with overlying surgical skin ___ .
    OUTPUT:
    
No radiographic evidence for pneumonia .