Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac silhouette is mildly enlarged . . Mediastinal contours are unremarkable . Hilar contours are stable and unremarkable .
    OUTPUT:
    
Persistent mild cardiomegaly . No focal consolidation to suggest pneumonia .