Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: there is a small left apical lateral pneumothorax , similar in size compared to prior . There continues to be volume loss / infiltrate in the right lower lobe . There continues to be retrocardiac opacity , however this has slightly improved aeration compared to prior
    OUTPUT:
    
1 . Continued left small pneumothorax . 2 . Small right lower lobe infiltrate .