Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left pectoral MediPort terminates in the mid SVC . The patient has had previous right upper lobe wedge resection . There has been no appreciable change in the moderate to large partially loculated left pleural effusion with pigtail catheter in place . There is no pneumothorax . The heart mediastinum can not be accurately assess . Multilevel spinal degenerative changes are stable .
    OUTPUT:
    
No significant interval change .