Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are stable compared to the prior examination . Both lungs are relatively clear with no focal consolidation concerning for pneumonia , significant pleural effusion , or pneumothorax . The pulmonary vasculature is not engorged . The trachea is midline . The visualized upper abdomen is relatively gasless .
    OUTPUT:
    
No acute cardiopulmonary process .