Figure 5From: Metastasis of osteosarcoma to stomach made clinically evident by hematemesis: a case reportMicrophotograph of resected specimen in gastric metastasis (H & E. ×20 (A), ×200 (B), ×400 (B inset)). Tumor was observed under the gastric mucosa (a), and pleomorphic spindle-shaped atypical cells with osteoid were observed (b). Most osteosarcoma cells expressed VEGF in the gastric metastasis (b inset). VEGF, vascular endothelial growth factor.Back to article page