Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is top normal . Mediastinal and hilar contours are unchanged with tortuosity of the thoracic aorta again noted as well as diffuse atherosclerotic calcifications . There is no pulmonary vascular engorgement . No focal consolidation , pleural effusion or pneumothorax is identified . Minimal patchy opacity in the left lung base likely reflects minor atelectasis . Degenerative changes of the thoracic spine with anterior osteophyte formation are again noted .
    OUTPUT:
    
No acute cardiopulmonary process .