Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top normal . Again appreciated is a tortuous aorta . Cardiomediastinal silhouette and hilar contour is stable . The lung volumes are slightly low , with right basilar atelectasis . No focal consolidation , effusion , or pneumothorax .
    OUTPUT:
    
No acute intrathoracic process .