Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior study , there has been interval removal of a left - sided PICC line . The right sided central catheter tip is located at the mid SVC . There is unchanged enlargement of the cardiac silhouette , likely due to mild elevation of pulmonary venous pressure . Again seen is a left thyroid mass causing rightward deviation of the trachea .
    OUTPUT:
    
1 . Interval removal of left - sided PICC line , with a right - sided central venous catheter tip located in the mid SVC . Otherwise , no significant change from the prior radiographs .