Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There are unchanged chronic pleural parenchymal scarring . Blunting of the right costophrenic sulcus is likely secondary to scarring . Mild cardiomegaly is chronic and unchanged . There is no pneumothorax . There are stable calcifications of the aortic arch . There are a number of old healed rib fractures on the right .
    OUTPUT:
    
Stable chronic findings as described . No evidence of the cardiogenic pulmonary edema .