Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wires and a prosthetic cardiac valve noted . Bilateral pleural effusions are noted , left greater than right . The right pleural effusion appears partially loculated . Lower lung opacities may represent pneumonia or atelectasis . No pneumothorax . No convincing evidence for pulmonary edema . Heart size can not be assessed . Mediastinal contour appears normal . Bony structures appear intact .
    OUTPUT:
    
Bilateral pleural effusions , left greater than right , with probable loculation of the right effusion . Lower lung opacities concerning for atelectasis versus pneumonia . Recommend followup to resolution .