Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right lung is hyper expanded and clear . Increased opacification in the left lung base is slightly improved . Small left apical pneumothorax is stable . There is no significant pleural effusion . Left chest tube , displaced left rib fractures , and subcutaneous emphysema in the left chest wall are unchanged .
    OUTPUT:
    
1 . Stable small left apical pneumothorax . 2 . Left lung opacification may represent resolving resolving pulmonary hemorrhage , soft tissue contusion , or early pneumonia .