Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiogrph from ___ , there has been no significant change . The heart is enlarged . The mediastinal and hilar contours are stable . Lung volumes remain low . There are no focal consolidations concerning for pneumonia . There are no pleural effusions or pneumothorax .
    OUTPUT:
    
No radiographic evidence of an acute cardiopulmonary process .