in contrast , thymic epithelium in primary mediastinal thymomas was te4+ , a2b5+ , te8- , and greater than 75 % of thymoma epithelium was 12/1 - 2- , a thymic epithelial phenotype similar to that seen on normal fetal thymic epithelium at 14 to 16 weeks fetal gestation .
C0279705
thymoma epithelium
C1711423
thymic