The diagnostic accuracy of the various parameters (E2, P4, T levels and the E2:P4, E2:EGF, E2:IL-8, P4:EGF, and P4:IL-8 ratio) in the tubal EP and early IUP groups was evaluated by ROC analysis (Fig. 1). The gene discussed is EGF; the disease is inverted urothelial papilloma.