Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are unchanged compared to the prior study . The trachea is central . The cardiomediastinal contour is normal . A left - sided PICC terminates in the proximal SVC , unchanged compared to the prior studies . No consolidation or pneumothorax seen .
    OUTPUT:
    
No significant interval change when compared to the prior study .