Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the prior examination , the right basilar opacity has improved significantly . The cardiac silhouette is stably enlarged . The pulmonary vasculature is unremarkable . No definite consolidation is identified . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Interval improvement in right basilar opacity . No acute intrathoracic process .