Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A small to moderate right pneumothorax demonstrates lateral apical and medial components , stable in size from examination 9 hours prior . The patient is rotated . A chest tube is unchanged in position in the right apex . Opacification of the right mid to lower lung is increased from prior study . The left lung appears well aerated although hyperlucent suggesting underlying emphysema . An enteric tube courses out of view inferiorly . Mediastinum and cardiac silhouette are stable .
    OUTPUT:
    
1 . Moderate right pneumothorax stable in size from examination 9 hours prior . 2 . Unchanged right chest tube positioning . 3 . Increased opacity in the right mid to lower lung , concerning for worsening pneumonia .