Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is mildly enlarged . Mediastinal and hilar contours are normal . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion , focal consolidation , or pneumothorax is identified . No acute osseous abnormality is detected . Marked degenerative changes of both glenohumeral joints , left greater than right , are re - demonstrated .
    OUTPUT:
    
No acute cardiopulmonary abnormality .