Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The Swan - ___ catheter and bilateral pleural catheters are unchanged . Heart size is increased , either secondary to increased fluid overload or pericardial effusion . Pulmonary edema has worsened since the prior study , and there is no large pleural effusion or pneumothorax .
    OUTPUT:
    
Worsened pulmonary edema and cardiomegaly , the latter which may be secondary to pericardial effusion or worsening overload . No pleural effusion .