Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated but clear . The heart size is normal . The superior aspect of the right hilus is asymmetrically enlarged , possibly secondary to bronchovascular structures versus mild lymphadenopathy . The mediastinal contours are normal . There are no pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
1 . No acute cardiac or pulmonary process . 2 . Hyperinflated lungs should be correlated to any history of asthma . 3 . Slight asymmetric enlargement of the right hilus , possibly bronchovascular structures versus lymphadenopathy . Recommend bilateral anterior shallow oblique radiographs for further evaluation . Impression point # 3 was emailed to the ___ nurse by Dr . ___ on ___ .