Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest two views : The right hemi diaphragm is elevated . The heart size is likely normal . Pulmonary vasculature is normal . There is a large mass involving the right perihilar region this is stable in size . There is linear right basilar atelectasis . There are no lung nodules . There are no pleural effusions .
    OUTPUT:
    
Stable size of right perihilar mass . Elevated right hemidiaphragm and basilar atelectasis .