Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant change compared to the prior exam . The positions of the pulmonary artery catheter and cardiac device are unchanged . No significant change in the mild pulmonary edema , cardiomegaly , and bilateral reduced lung volumes . No focal consolidation , pneumothorax , pneumomediastinum , or pleural effusion .
    OUTPUT:
    
Appropriately positioned pulmonary artery catheter . No significant change from the prior exam .