Synchronous mucinous metaplasia and neoplasia of the female genital tract with external urethral meatus neoplasm: A case report.

•We present a case of multiple mucinous metaplasia and neoplasia of cervix, endometrium, fallopian tube, ovary, and mesenterium with external urethral meatus neoplasm.•Immunohistochemistry showed almost same pattern in each neoplasms.•PCR-direct sequencing showed no existence of both KRAS and GNAS mutations.•This report suggests a possibility of synchronous mucinous metaplasia and neoplasia "beyond" female genital tract.