Müllerian clear cell carcinoma arising from sigmoid endometriosis with pericolic lymph node metastasis in the absence of adnexal disease: a case report.
Malignant transformation of endometriosis is rare and most commonly involves the ovary. Extraovarian transformation, particularly in the gastrointestinal tract, is exceptional, and clear cell carcinoma (CCC) arising from intestinal endometriosis …