Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear . There is indistinctness of the right paratracheal stripe . Cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Indistinctness of the right paratracheal stripe most likely due to technique and patient position but tracheitis can not be excluded .