Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is seen normal . Mediastinal and hilar contours are unchanged with tortuosity of the thoracic aorta again noted . Pulmonary vasculature is normal . Minimal streaky atelectasis is noted in the right lower lobe . No focal consolidation , pleural effusion or pneumothorax is identified . Moderate multilevel degenerative changes are noted in the thoracic spine . No displaced rib fractures are visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No displaced fractures are identified . If there is continued concern for rib fracture , consider a dedicated rib series .