The MFI was usedto evaluate surface expression of β-2AR (Table 3).The average MFI values of β-2AR expression onTh1 cells were 135.5 ± 40.5 in healthy controls,82.7 ± 44 in cancer patients' PBMCs and 57 ± 21in TILs. The gene discussed is ADRB2; the disease is cancer.