Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant interval change overall . The lungs remain hyperinflated . Left lower lobe atelectasis is re - demonstrated . The cardiomediastinal silhouette unchanged . No pleural effusion common pneumothorax , edema , or focal consolidation . No definite rib fracture . No subdiaphragmatic free air is visualized . Appearance of the thoracic spine , including loss of vertebral body height , is overall similar to ___ .
    OUTPUT:
    
No acute intrathoracic abnormality .