Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart remains mildly enlarged but unchanged . The aorta is tortuous and diffusely calcified . The mediastinal and hilar contours are otherwise stable . The pulmonary vascularity is normal . The lungs are clear . As seen previously , and there is blunting of the left costophrenic angle posteriorly which may reflect a small left pleural effusion and is unchanged . No right - sided pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
No interval change from prior . Small left pleural effusion .