Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior radiograph on ___ , the left basilar opacity has resolved . Again demonstrated is chronic bibasilar linear atelectasis . There is no new opacity . There is no pulmonary edema , pleural effusion , or pneumothorax . The small ground glass nodule which was identified on the prior chest CT in ___ can not be assessed on this exam . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
1 . Resolution of left basilar pneumonia . 2 . Chronic bibasilar atelectasis . 3 . The known small ground glass nodule identified on the CT in ___ is not assessed , although , if clinically indicated , should be further evaluated with a CT per the prior recommendations .