Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size remains mildly enlarged . The mediastinal and hilar contours are similar . Lungs remain hyperinflated . No pulmonary vascular congestion is demonstrated . Rounded opacity projecting over the posterior aspect of the right diaphragm is compatible with a Bochdalek 's hernia . There is no focal consolidation , pleural effusion or pneumothorax . Subsegmental atelectasis is noted in the lung bases . Please note that the previously described small airways disease seen on CT is not well assessed on the current radiograph . Ossification of the anterior longitudinal ligament with vertebral body fusion is seen in the mid thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Please note that the small airways disease seen on recent CT is not well assessed on the current radiograph .