Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior exam , the right PICC has been pulled back . The tip is now at the cavoatrial junction . The lungs are clear without consolidation or edema . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
Right PICC with the tip at the cavoatrial junction .