Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is unchanged . The mediastinal and hilar contours are stable . There is slight worsening of right basilar opacity . Previous vascular congestion is improved . There is no large pleural effusion or pneumothorax .
    OUTPUT:
    
Slight worsening right basilar opacity could reflect interval aspiration .