Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal AP and lateral views of the chest were obtained . Low lung volumes result in bronchovascular crowding . Bibasilar atelectasis is seen . There is no focal consolidation , pleural effusion or pneumothorax . Heart size is within normal limits allowing for low lung volumes and technique . Mediastinal silhouette is normal . There is no free air under the diaphragm . No acute osseous abnormality is identified .
    OUTPUT:
    
No acute intrathoracic process .