Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable radiograph of the chest demonstrates a left chest Port - A - Cath with the catheter curling in the lower SVC with the tip terminating in the upper SVC . No pneumothorax is identified . No pleural effusion is seen . The heart , mediastinal and hilar contours are normal . Lung volumes are reduced compared to prior radiographs .
    OUTPUT:
    
Interval placement of Port - A - Cath with catheter curling in the low SVC with the tip terminating in the superior SVC . No other relevant change is noted .