Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Exam is limited by markedly patient rotation on the frontal radiograph . Prominence of the right hilum and right infrahilar region on this view could potentially be due to accentuation by rotation . Heart size is normal . Tortuosity of the thoracic aorta is unchanged . Lungs and pleural surfaces are clear .
    OUTPUT:
    
Prominent right hilar and infrahilar contours , possibly due to accentuation by ( patient rotation , but a repeat nonrotated radiograph would be helpful for confirmation and to exclude a neoplastic mass