Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well inflated and clear . No pulmonary edema . No pleural effusion or pneumothorax . Stable mild to moderate cardiomegaly . Mediastinal contour and hila are unremarkable . A left pacer device is seen with lead tips in the right atrium , right ventricle and coronary sinus .
    OUTPUT:
    
1 . No acute cardiopulmonary process . Specifically no pulmonary edema . 2 . Stable cardiomegaly .