Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Clips in the right hilum and the right costophrenic angle represent post - surgical changes from prior upper and middle lobe resections . The remaining right lower lobe is well aerated . There is a small amount of pleural fluid with a locule of gas in the right apex representing a stable hydropneumothorax . There is no mediastinal shift or diaphragmatic flattening to suggest tension . Subcutaneous gas is seen along the right chest wall . The left lung appears unremarkable .
    OUTPUT:
    
Stable right apical hydropneumothorax and expected post-lobectomy changes .