CD34 and neoplasm: Immunohistochemistry showed that tumor tested positive for CD34(+) (Fig. 4C), STAT-6(+) (Fig. 4D), and Ki-67 (10%) and negitive for SMA, Desmin, S-100, EMA, DOG1, CD117, TLB1, CDK4, Pax-8, MDM2, Myogenin, and CD31.