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Histopathological section from another case of dendriform pulmonary ossification showing thin bony trabeculae inserting themselves within the alveolar interstitium (arrowheads). The speculated nodule elevates the pleura (arrow), providing some visual indication by which pneumothoraces may occur in these patients. Haematoxylin and eosin, undecalcified section. Original magnification 40×.
