Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low bilateral lung volumes with unchanged blunting of the left costophrenic angle . No focal consolidation or pneumothorax identified . The size and appearance of the cardiomediastinal silhouette is unchanged . Orthopedic spinal hardware projects over the upper thoracic spine . The tip of the left PICC line extends to the superior cavoatrial junction .
    OUTPUT:
    
No significant interval change from the prior examination .