Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate mild to moderate cardiomegaly . The lungs are clear and no radiopaque foreign object is identified . There is no pleural effusion or pneumothorax . The stomach is mildly dilated .
    OUTPUT:
    
1 . No radiopaque foreign object . 2 . Mild to moderate cardiomegaly .