“…Their locations mimic the most frequent endometriotic sites, namely, the rectovaginal septum, and other locations such as the large bowel, bladder, vagina, fallopian tube, omentum, and pleura [1,2]. The liver [3][4][5], or the hepatic surface are extremely rare locations, prompting isolated case reports [6][7][8]. Although rare, the exact incidence of malignant transformation of endometriosis is unknown [2].…”