Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left chest tube . Left chest wall , low neck subcutaneous emphysema , stable . Possible tiny left apical pneumothorax just beneath inferior margin of posterior left second rib . Small bilateral pleural effusions , new or better seen . Left lower lobe atelectasis or infiltrate . Sternotomy . Deep inspiration . Old rib fractures . Valve prosthesis .
    OUTPUT:
    
Possible tiny left apical pneumothorax . Follow - up radiograph recommended . Small pleural effusions . Small new left basilar atelectasis or infiltrate