Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A PICC line terminates in the mid superior vena cava and appears unchanged . The heart appears mildly enlarged . The mitral anulus is calcified . The aortic arch is also calcified . The cardiac , mediastinal and hilar contours appear stable . There are again very small bilateral pleural effusions . The lungs appear clear .
    OUTPUT:
    
PICC line again terminating in the mid superior vena cava . Small pleural effusions . No significant change .