Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , there has been interval placement of a dual - chamber ICD . The leads are intact and follow their expected courses into the right atrium and right ventricle . Severe cardiomegaly is unchanged . No pulmonary vascular congestion , pulmonary edema , or pleural effusions . Lungs are fully expanded and clear .
    OUTPUT:
    
Dual - chamber ICD leads follow their expected courses into the right atrium and right ventricle .