Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The apparent increase in mediastinal caliber is due to patient positioning , rotated to the right . No apparent change in the left lung , which is clear but less well penetrated due to overlying breast tissue . There is a band of atelectasis in the right lung , seen on the radiograph from the prior day . No focal consolidations concerning for pneumonia .
    OUTPUT:
    
1 . No evidence of pneumonia . 2 . Unchanged band of atelectasis in the right lung .