Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear with no evidence of consolidation , effusion , or pneumothorax . The cardiomediastinal silhouette remains mildly enlarged but stable . Tortuosity of the aorta is again noted . Again visualized is mild - to - moderate dextroscoliosis of the upper thoracic spine as well as degenerative changes involving the mid thoracic spine and calcifications of the costochondral cartilages .
    OUTPUT:
    
No acute cardiopulmonary process .