Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single lead pacemaker is in - situ , unchanged in position compared to the prior study . There is unchanged moderately severe cardiomegaly . Prominence of the pulmonary vasculature is similar in degree when compared to the prior study . No frank pulmonary edema is seen . No pleural effusion seen . No consolidation or pneumothorax seen .
    OUTPUT:
    
Findings consistent with congestive heart failure . Overall appearances are grossly unchanged compared to the prior study .