Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Midline sternotomy wires , dual lead pacer appear unchanged from prior with pacer leads extending to the region of the right atrium and right ventricle . There is stable mild cardiomegaly with small bilateral pleural effusions slightly decreased from prior exam . There is no evidence of pneumonia or pulmonary edema . Mediastinal contour is stable . Bony structures appear intact .
    OUTPUT:
    
Small bilateral pleural effusions . No pneumonia .