Characteristic differences in the abundance of tumor-infiltrating lymphocytes and intratumoral developing T cells in thymoma, with special reference to PD-1 expression

ConclusionMost PD-1  + T cells in type AB/B1/B2 thymomas are intratumoral developing T cells and are not TILs.
Source: Cancer Immunology, Immunotherapy - Category: Cancer & Oncology Source Type: research