Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to ___ , I doubt significant interval change . The heart is not enlarged . The aorta is minimally unfolded , also unchanged . Within the limits of plain film radiography , no hilar or mediastinal lymphadenopathy is detected . No CHF , focal infiltrate , pleural effusion , or pneumothorax is detected . Slight elevation of the right hemidiaphragm is also unchanged . Minor degenerative spurring is again noted in the thoracic spine .
    OUTPUT:
    
No significant change compared with ___ . No acute pulmonary process identified .