Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size remains mildly enlarged . The aorta is tortuous . Mediastinal and hilar contours are otherwise unremarkable . Pulmonary vasculature is normal . Linear opacities within the left upper lung field may reflect atelectasis or scarring . No focal consolidation , pleural effusion or pneumothorax is present . Lungs are hyperinflated . Mild degenerative changes are seen within the thoracic spine . Multiple rounded radiopaque densities projecting over the right shoulder are likely external to the patient . Marked narrowing of the right acromiohumeral interval suggests rotator cuff disease .
    OUTPUT:
    
No acute cardiopulmonary abnormality .