Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear . No pleural effusion or pneumothorax is seen . Moderate cardiomegaly is stable . Mild enlargement of the bilateral hila with minimal increased pulmonary vasculature is persistent , though less compared to prior exams .
    OUTPUT:
    
No pneumonia . Stable moderate cardiomegaly .