Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size seems to be mildly enlarged , but also exaggerated by AP projection . The mediastinal contours are normal . The right hilar structures are full and diffuse reticular nodular pattern is seen about the right lung . The left lung is clear . There is no appreciable pleural effusion or pneumothorax .
    OUTPUT:
    
Right pulmonary reticulonodular pattern likely signifying airway infection or inflammation .