Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . There is slight prominence of the ascending aorta , overall unchanged compared to the prior studies . The hilar and mediastinal contours are otherwise unremarkable . The lungs are clear without evidence of focal consolidation concerning for pneumonia . There is no subdiaphragmatic free air . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of subdiaphragmatic free air . No acute intrathoracic process identified .