Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Previously described right lower lung opacity has resolved . Bilateral upper lobe predominant fibronodular opacities are unchanged and likely due to chronic changes of sarcoid . Heart size is normal . Prominence of the pulmonary hila is unchanged and suggestive of lymphadenopathy . There are no pleural effusions or acute skeletal findings .
    OUTPUT:
    
Resolution of right lower lobe opacity which may have been due to an infectious pneumonia . Hilar lymphadenopathy and upper lobe predominant interstitial abnormalities are unchanged and suggestive of sarcoidosis .