Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: On the initial view of the chest , the right heart border appears to be obscured however on repeat imaging the right heart border is not obscured . There is however increase in the central bronchiovasculature which persists on both exposures . The lateral film is unremarkable . Cardiac size is normal . No pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of focal pneumonia . Central bronchiovascular prominence could represent reactive airways disease .