Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left pleural effusion persists . No right pleural effusion is detected . Cardiomegaly persists . Cardiac hardware appears similarly positioned on this frontal view . No pneumothorax or focal consolidation is seen , however , evaluation of the left mid lung field is limited due to overlying hardware . No pulmonary edema is evident on this view .
    OUTPUT:
    
Persistent left pleural effusion and cardiomegaly .