The ovarian tumors in Amhr2-Cre;Ctnnb1Δ(ex3)/+;PtenΔ/Δ ovaries showed histopathological features similar to the tumors of Amhr2-Cre;Ctnnb1Δ(ex3)/+ mice (Fig. S2). The gene discussed is AMHR2; the disease is ovarian neoplasm.