Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest , PA and lateral . The lungs are clear . Moderate cardiomegaly is stable . The hila and mediastinal contours are normal . There is no pneumothorax or pleural effusion . Pulmonary vascularity is normal .
    OUTPUT:
    
1 . Stable chronic moderate cardiomegaly without mediastinal widening . 2 . No acute cardiopulmonary process .