Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph demonstrates low lung volumes which are much lower than on previous radiograph , accounting for the apparent increase in heart size and bibasilar atelectasis . The upper lungs are clear and the pleural surfaces are normal . There is no pulmonary edema or focal consolidation concerning for pneumonia .
    OUTPUT:
    
No pulmonary edema or focal consolidation concerning for pneumonia . Bibasilar atelectasis .