Chest X-ray one week after hospital admission showing significant improvement of the surgical emphysema involving the chest walls (black arrowheads), tracheostomy tube, and a nasogastric tube (red arrow). Redemonstrations of the previously described bilateral pulmonary patchy heterogeneous opacities. Minimally blunted costophrenic angles (blue arrows), and significant improvement of the pneumopericardium (white arrowhead).