Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right PICC ends in the upper right atrium and could be withdrawn by 2 cm to be in the low SVC . A shunt catheter is partially visualized passing into the right upper quadrant . A hiatal hernia is unchanged . Stable heart size and mediastinal contours . No focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
Right PICC ends in the upper right atrium and could be withdrawn by 2 cm in the low SVC .