Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild enlargement of the cardiac silhouette is unchanged . Mediastinal and hilar contours are similar . Pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is present . As seen previously , there is a chronic left anterior shoulder dislocation with remote fracture deformity of the proximal left humerus and surrounding heterotopic ossification . Widening of the AC joints bilaterally persists . Remote left - sided rib fractures are again noted . A right humeral head prosthesis is again noted .
    OUTPUT:
    
No acute cardiopulmonary abnormality .