Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is detected . Patchy scarring at each lung apex , particularly the left , appears unchanged . The heart and mediastinal contours are stable with mild cardiomegaly and calcified tortuous aorta .
    OUTPUT:
    
No radiographic evidence for pneumonia .