Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is stable and within normal limits . The hila are unremarkable . The lungs are hyperinflated , as on prior exams . There is no focal lung consolidation . There is no pulmonary vascular congestion . There is no pneumothorax or pleural effusion . A TIPS stent projects over the liver on lateral view .
    OUTPUT:
    
Hyperinflated lungs , suggestive of COPD , unchanged from prior exams . No focal lung consolidation .