Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Scarring at the left lower lobe is seen . No focal consolidation is seen . There is no pleural effusion or pneumothorax . The aorta is tortuous . The cardiac silhouette is top - normal in size . No overt pulmonary edema is seen . Chronic appearing deformity of the sternum is noted on the lateral view .
    OUTPUT:
    
No acute cardiopulmonary process .