Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear . No pleural effusion , pneumothorax or focal airspace consolidation . Heart is mildly enlarged but unchanged from at least ___ . No pulmonary edema . Mediastinal and hilar contours are unremarkable . A severe compression deformity of the lower thoracic spine is unchanged from ___ .
    OUTPUT:
    
No acute cardiopulmonary process .