Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were provided . The patient is known to have an elevated left hemidiaphragm with focal eventration . Lungs appear clear without focal consolidation , effusion or pneumothorax . The retrocardiac space is poorly assessed given the elevated left hemidiaphragm , though the possibility of a hiatal hernia is not excluded . The heart size can not be assessed , though appears grossly stable . The mediastinal contour appears stable . No acute bony abnormality is seen .
    OUTPUT:
    
Stable elevated left hemidiaphragm . No acute findings .