The number of CD4+ iNKT cells expressing CCR7 (35.6 ± 30.6 vs. 31.6 ± 31.0; p = 0.439) and the number of DN iNKT expressing CCR7 (11.18 ± 15.87 vs. 6.76±14.08; p = 0.801) were similar between the endometriosis and control groups (Table 2). Here, CD4 is linked to endometriosis.