Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac , mediastinal , and hilar contours are unchanged with the heart size appearing mildly enlarged . The aorta is mildly tortuous and diffusely calcified . Pulmonary vasculature is not engorged . Minimal atelectasis is seen in the lung bases without focal consolidation . Surgical clips are noted in the left upper mediastinum , unchanged since ___ . Compression deformity of a mid-thoracic vertebral body with approximately ___ % loss of height appears new since ___ , but is of undetermined chronicitiy .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Interval development of a compression deformity of a mid thoracic vertebral body , but of indeterminate age .