C-MYC was expressed at high levels in 45.1% (169/375) of ovarian cancer tissues, 66 (14.9%) patients showed “high” expression of STAT3, and 67 (15.1%) patients showed “high” expression of p-STAT3 (Fig. 6A, Supplementary Tables 1 and 2). Here, STAT3 is linked to ovarian cancer.