Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Extremely low lung volumes are seen with secondary crowding of the bronchovascular markings . Right greater than left basilar opacities may be secondary to atelectasis . There is no large effusion . The cardiomediastinal silhouette is grossly unchanged . No acute osseous abnormalities .
    OUTPUT:
    
Low lung volumes . Right greater than left basilar opacities potentially due to atelectasis although infection can not be excluded .