Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient upright position . Comparison is made with the next preceding similar study of ___ . On previous examination identified hazy density in the right lower lobe posterior segment , interpreted as pneumonic infiltrate , has cleared up completely . No new pulmonary abnormalities are seen . Otherwise , the chest findings are stable and include some scar formations in the right upper lobe area .
    OUTPUT:
    
Resolution of previously identified pneumonia .