Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . The lungs are clear . The heart size is normal . There are no pleural effusions . No pneumothorax is seen . Fullness of the right hilar contour is asymmetric raising the possibility for lymphadenopathy , although this may just represent vascular confluence . Note is made of elevation of the left hemidiaphragm .
    OUTPUT:
    
1 . No acute cardiac or pulmonary findings . 2 . Asymmetric enlargement of the right hilum could be due to vascular structures , although lymphadenopathy can not be excluded . Further evaluation could be performed with CT or comparison to old films is recommended .