Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly low . There is no focal consolidation , pleural effusion or pneumothorax . There is no significant pulmonary edema . Cardiomediastinal silhouette is unchanged and notable for a tortuous calcified aorta . Fracture of the first and second median sternotomy wires are noted and unchanged from prior . The wires are not separated .
    OUTPUT:
    
No acute cardiopulmonary process .