Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since prior , the right - sided dual - lumen catheter has been retracted . The tip is now seen in the upper SVC , approximately 7 .5 cm proximal from prior positioning . The lungs are essentially clear besides right basilar atelectasis . There is no effusion or pneumothorax . Cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
Interval retraction of the right - sided dual - lumen central venous catheter by 7 .5 cm , with tip now in the upper SVC .