Fig. 3From: Surgical resection of micronodular thymic carcinoma with lymphoid hyperplasia: a case reportHistological immunostaining: lymphoid follicles were CD20-positive (a). Most tumor cells were CD5-positive (b), CD3-negative (c), and TdT-negative (d). CD cluster of differentiation, TdT terminal deoxynucleotidyl transferaseBack to article page