Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are unremarkable and unchanged . Lungs are clear . Pulmonary vasculature is not engorged . No pleural effusion or pneumothorax is detected . Cervical spinal fusion hardware is incompletely assessed . Moderate to severe degenerative changes involving both glenohumeral joints are present . No subdiaphragmatic free air is present .
    OUTPUT:
    
No acute cardiopulmonary abnormality .