Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Hilar prominence is similar to prior imaging studies with increased linear density in the right upper lobe compatible with a site of known scarring . No focal consolidation , large effusion or pneumothorax is seen . The heart is top - normal in size . The mediastinal contour appears normal . The imaged bony structures are intact . No free air below the right hemidiaphragm . Severe degenerative disease of the left shoulder noted .
    OUTPUT:
    
Top normal heart size with stable prominence of the bilateral pulmonary hila . No evidence of pneumonia .