Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with ___ , I doubt significant interval change . The heart is not enlarged . Within the limits of plain film radiography , no hilar or mediastinal lymphadenopathy is detected . No CHF , focal infiltrate , effusion , or pneumothorax is detected . Possible minimal atelectasis / scarring at the right base , unchanged .
    OUTPUT:
    
No acute pulmonary process identified . No significant change compared with ___