Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cervical spinal hardware appears intact . Median sternotomy wires are intact . Prosthetic aortic valve appears intact . Normal cardiomediastinal and hilar contours . Unchanged , minimal bibasilar atelectasis . No focal consolidation to suggest pneumonia . Normal pleural surfaces .
    OUTPUT:
    
No evidence of pneumonia .