Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided demonstrating no focal consolidation , effusion or pneumothorax . Cardiomediastinal silhouette appears normal and stable . There is a compression deformity involving a mid thoracic vertebral body , which appears new from the prior chest radiograph of ___ . No free air below the right hemidiaphragm . There are tiny surgical clips in the left base of neck , likely indicating prior thyroid surgery .
    OUTPUT:
    
No acute intrathoracic process . Interval development of a mid thoracic spine compression fracture .