Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right chest wall port catheter terminates in the mid SVC . Since the prior study there has been significant consolidation at the left lung base which in the setting of postoperative state likely represents left lower lobe collapse . Underlying infection can not be excluded . The right lung is clear . Heart size and mediastinal structures are stable .
    OUTPUT:
    
New left lower lobe collapse .