lung volumes are slightly low. other than bilateral segmental atelectasis, the lungs are clear. no focal consolidation, pleural effusion, or pneumothorax. stable appearance of the cardiomediastinal silhouette. the descending thoracic aorta is slightly tortuous or ectatic and unchanged. coronary stents are visualized. the appearance of the hila is stable. multilevel prominent degenerative changes in the visualized thoracic spine with endplate sclerosis have loss of intervertebral disc height is grossly stable. recommendation(s): no acute intrathoracic process.