Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no marked interval change compared to yesterday 's study . There is mild pulmonary vascular congestion , but no overt pulmonary edema . The heart size is normal and tortuosity of the aorta is chronic . The left PICC terminates in the mid SVC . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
No marked interval change .