CD4+ Tconv in the blood contained the highest proportion of Tn (31.2% in blood vs. 8.2% in MPE vs. 5.9% in tumor) and the highest expression of the memory marker CD127 (93.1% in blood vs. 72.0% in MPE vs. 73.9% in tumor; Figure 1C, 1G). Here, IL7R is linked to neoplasm.