Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top normal , with a tortuous aorta . Hilar and mediastinal contours are normal . Lungs are grossly clear without focal consolidation , pleural effusion , or pneumothorax . Chronic deformities of several left - sided posterior rib was cerclage wires are unchanged .
    OUTPUT:
    
No acute intrathoracic process .