Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size remains mildly enlarged . The aorta is diffusely calcified and mildly tortuous . The hilar contours are unchanged . The pulmonary vascularity is normal . No focal consolidation , pleural effusion or pneumothorax is identified . Minimal interstitial opacity within the lung bases likely reflect chronic changes . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .