Retroperitoneal lymphangioma as the final diagnosis of a middle-aged woman with abdominal pain: A case report

Lymphangiomas are lesions attributed to congenital malformations of the lymphatic system, or acquired chronic obstruction of the lymphatic network due to trauma, radiation, surgical manipulation, inflammation, or infection. Overall, lymphangiomas are rare, and particularly, retroperitoneal lymphangiomas are far more uncommon per reported cases.