Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable single frontal chest radiograph was obtained . Multiple left - sided chest tubes have been removed . There is a tiny left apical pneumothorax . Persistent left upper and lower lung opacities are unchanged with basilar atelectasis . The right lung is essentially clear . The cardiomediastinal silhouette and hilar contours are stable . Sclerotic osseous metastases are extensive .
    OUTPUT:
    
1 . Tiny left apical pneumothorax following chest tube removal . 2 . Unchanged left upper lobe opacity and lower lobe atelectasis with a small pleural effusion .