Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . The heart size is normal . The appearance of the cardiomediastinal silhouette is similar to ___ . Stable mediastinal contours . The hila are unremarkable . Prominent anterior osteophytes are again seen in the mid thoracic spine .
    OUTPUT:
    
No acute intrathoracic abnormality .