Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC has been replaced by left subclavian PICC with tip ending in lower SVC . Lung volume is low but without consolidation or nodule . There is no pleural effusion or pneumothorax . Heart size unchanged and normal . Abdominal catheters are unchanged .
    OUTPUT:
    
New left PICC ends in lower SVC . There is no pneumothorax .