Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Left chest wall pacer device is again seen with leads extending into the right atrium , right ventricle and coronaries sinus . Cardiomegaly is again noted . There is no evidence of pneumonia or edema . No large effusion or pneumothorax . Bony structures appear intact . No free air below the right hemidiaphragm peer
    OUTPUT:
    
Cardiomegaly without evidence of pneumonia or edema .