Among the ovarian cancer histological subtypes, HGSCs displayed higher expression of Syk-c and -n (Syk-c: χ2 = 58.835, df = 5, P = 2.115E−11 and Syk-n: χ2 = 29.874, df = 5, P = 0.000016, respectively). Here, SYK is linked to ovarian cancer.