Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Low lung volumes results in bronchovascular crowding . There is no focal consolidation , pleural effusion or pneumothorax . Mild bibasilar atelectasis . Cardiac and mediastinal silhouettes are within normal limits allowing for low lung volumes . Dextroconvex scoliosis of the thoracic spine is unchanged .
    OUTPUT:
    
No pneumonia , edema , or effusion .