RT Journal Article SR Electronic T1 Proximal epithelioid sarcoma of the vulva JF International Journal of Gynecologic Cancer JO Int J Gynecol Cancer FD BMJ Publishing Group Ltd SP 692 OP 692 DO 10.1136/ijgc-2021-002723 VO 32 IS 5 A1 Sofia Alejandra Portillo A1 Erick Estuardo Estrada YR 2022 UL http://ijgc.bmj.com/content/32/5/692.abstract AB