in all the thymoma samples in fact the neoplastic lobules appeared as grossly enlarged cortical-type areas , formed by accumulations of t lymphocytes exhibiting the cortical immature phenotype ( tdt+ , t6+ , etc . ) within a network of putatively neoplastic epithelial cells characterized by cortical phenotype as defined by reactivity with various monoclonal antibodies ( rfd4- , mr3+ ) .
C0040100
thymoma
C1513959
neoplastic epithelial cells