Figure 2From: Neoadjuvant multidrug chemotherapy including High-Dose Methotrexate modifies VEGF expression in Osteosarcoma: an immunohistochemical analysis CD31 expression in osteosarcoma before and after chemotherapy. Pre-chemotherapy biopsy (×400) and post-chemotherapy resection specimens (×600) showing immunostaining for CD31.Back to article page