Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The thoracic aorta is diffusely calcified . Mediastinal and hilar contours are unremarkable . The pulmonary vasculature is normal . Elevation of the right hemidiaphragm is of unknown chronicity . There is adjacent right basilar atelectasis , and minimal subsegmental atelectasis in the left lung base . No focal consolidation , pleural effusion or pneumothorax is present . There is mild loss of height anteriorly of ___ mid thoracic vertebral bodies of indeterminate age .
    OUTPUT:
    
Elevation the right hemidiaphragm , of unknown chronicity . Mild bibasilar atelectasis .