Fig. 2From: Isolated diaphragmatic metastasis from periosteal osteosarcoma of the humerus: a case reportPathological findings. a Periosteal osteosarcoma cells (haematoxylin-eosin staining, 150×). b The tumour did not invade the lung tissue (haematoxylin-eosin staining, 60×; white arrow, pulmonary tissue; black arrow, pleura; red arrow, periosteal osteosarcoma)Back to article page