Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The Swan - Ganz catheter and a dual lead pacemaker are unchanged in appearance compared to the prior study . There is severe cardiomegaly , unchanged . There is prominence of the pulmonary vasculature and bilateral hila consistent with congestive heart failure . Slightly increased airspace opacities bilaterally suggest mild pulmonary edema . No definite pleural effusion seen . No pneumothorax seen .
    OUTPUT:
    
Congestive heart failure with slightly increased pulmonary edema .