Fig. 1From: Pazopanib for metastatic pulmonary epithelioid hemangioendothelioma—a suitable treatment option: case report and review of anti-angiogenic treatment optionsImmunohistochemical staining. a Immunostain for ERG, showing strong nuclear stain of the tumor cells. Original magnification × 100. b Immunostain for VEGF-R1, also designated Fms-like tyrosine kinase 1 (Flt-1), shows strong cytoplasmic staining of tumor cells. Original magnification × 200Back to article page