Leiomyoma was the most frequently diagnosed uterine neoplasm, identified in multiple seven individuals, including Macaca fascicularis (Mfa1), Macaca mulatta (Mm), Macaca fuscata (Mf1, Mf2, Mf3), Pan troglodytes (Pt), and Pongo pygmaeus (Pp1). The gene discussed is F2; the disease is tumor of uterus.