Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear unchanged . There is new blunting of the right costophrenic sulcus suggesting a very small effusion . On the left , a trace effusion with atelectasis is suspected . The lungs appear otherwise clear . Mild thoracolumbar spinal degenerative changes are present . There is no definite fracture .
    OUTPUT:
    
Small new pleural effusions , otherwise unremarkable .