Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest with nipple markers demonstrate no evidence of a lung nodule or mass . Cardiomediastinal contours are within normal limits . Lungs and pleural surfaces are clear . Port - A - Catheter is unchanged in position . Healed left rib fractures are again demonstrated .
    OUTPUT:
    
No radiographic evidence of lung nodule or mass .