Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided PICC is in - situ , unchanged in position when compared to the prior study unchanged small left pleural effusion . No pneumothorax seen . No focal consolidation seen . The cardiomediastinal contour is unchanged compared to the prior study . Calcification of the thoracic aorta .
    OUTPUT:
    
No significant interval change when compared the prior study .