Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are obtained . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . Bilateral hilar prominence , more prominent on right than left , may be secondary to enlarged pulmonary vasculature . Heart size is top - normal . . Left pectoral pacemaker generator seen with the pacer leads terminating within the right atrium and right ventricle .
    OUTPUT:
    
1 . No pneumothorax . 2 . Bilateral hilar prominence may be compatible with enlarged pulmonary arteries , confirmed on same - day CT chest .