Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . The heart is normal in size . Mediastinum and hila are within normal limits . A left sided pacemaker defibrillator device with a single lead ends in the anterior aspect of the right ventricle apex .
    OUTPUT:
    
1 . Cardiac device with single lead ending in right ventricle apex . Compatibility with MRI can not be assessed on this exam and should be evaluated by MRI staff . 2 . No acute intrathoracic process .