Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again noted are mildly hyperinflated lungs . The cardiomediastinal silhouette and pulmonary vasculature are unremarkable and unchanged since the most recent examination . There is no definite consolidation . No pneumothorax or pleural effusion is noted . Chronic changes are noted at the lung bases .
    OUTPUT:
    
No acute intrathoracic process .