Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is been interval replacement of a left PICC with the tip projecting over the mid SVC . Cardiomediastinal silhouette and hilar contours are normal . Lungs are clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Left PICC placement with tip projecting over the mid SVC .