Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided PICC line terminates in a similar position compared to prior study , likely within the mid superior vena cava . Cardiomediastinal and hilar contours are unremarkable . The lungs are clear . Opacification projecting over the anterior left sixth rib corresponds with benign - appearing sclerotic focus , better evident on the ___ CT . No pleural effusion or pneumothorax present .
    OUTPUT:
    
Unchanged positioning of left - sided PICC line terminating in the mid SVC . No pneumothorax . Lungs are clear .