Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are stable compared to the previous study with unchanged appearance in positioning of pacemaker leads . Lungs are clear except for minimal bibasilar atelectasis adjacent small bilateral pleural effusions . Bones are diffusely demineralized , and note is made of scoliosis .
    OUTPUT:
    
Small bilateral pleural effusions . No evidence of pneumonia .