Fig. 3.

a) Microscopic picture of the resected lung tissue with defined area of atelectatic lung with intra-aleveolar hemorrhage and subpleural hematoma. (Hematoxylin Eosin staining (HE), 50× magnification). b) residual endotheliitis in small and medium sized vessel and intra-alveolar polypoid fibroblast plugs specifying organizing pneumonia (HE, 200× magnification). c) CT-scan showing spontaneous pneumothorax on the right side and residual ground-glass opacities. d) final X-ray about 5 weeks after hospitalization showing a fully re-expanded lung.