LGALS3 and neoplasm: In addition, when testing the markers for TA-HECs critical for anti-tumor immunity by mediating lymphocyte entry into tumors37, we observed EndoBlood1 had relatively higher expressions of its type-specific genes like LGALS3 and CTSC, along with other expression patterns similar to TA-HECs (Fig. 4c and Supplementary Fig. 11b).