Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - approach PICC tip terminates within the mid SVC . Clips overlie the right upper quadrant . The patient is status post median sternotomy . There are persistent low lung volumes with bibasilar scattered atelectasis . There are no new focal opacities concerning for pneumonia . The cardiomediastinal and hilar contours are stable with a tortuous somewhat dilated thoracic aorta . Pulmonary vascularity is not increased .
    OUTPUT:
    
No significant change since ___ with no evidence of pneumonia .