Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left chest defibrillator with intact single lead transverses the left subclavian vein , right atrium , tricuspid valve , and terminates in the anterior inferior wall of the right ventricle . Lungs are clear . Moderate to severe cardiomegaly is accentuated by AP technique without secondary signs of cardiac decompensation . No pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Left chest defibrillator with intact single lead terminates in the anterior inferior wall of the right ventricle . 2 . No pneumonia .