The ENCORI website (http://starbase.sysu.edu.cn) and Kaplan–Meier plotter website (http://www.kmplot.com/) show that high PIK3CA (PI3K) expression is associated with adverse prognosis of patients with Uterine Corpus Endometrial Carcinoma (UCEC) (Figure 2a and b). Here, PIK3CA is linked to uterine corpus endometrial carcinoma.