ICG for Visualization of the Ureters in DIE

Inclusion Criteria: * Informed Consent as documented by signature * Age 18 or older * Premenopausal status (menopause is defined as amenorrhea lasting one year or longer) * Proven (by laparoscopy or MRI) or highly suspected (ultrasound or clinically) deep infiltrating endometriosis Exclusion Criteria: * No DIE detectable intraoperatively * Known or suspected allergy to iodine, shellfish, or ICG dye * Hyperthyroid metabolic state (excluding treated hyperthyroidism with euthyroid metabolic state) * Severe renal insufficiency (GFR \< 30ml/min) * Simultaneous therapy with beta-blockers * Pregnant (positive human chorionic gonadotropin in the blood) or breastfeeding women * Intention to become pregnant during the course of the study * Inability to follow the procedures of the study (due to language problems, psychological disorders, dementia) * Previous history of radiation therapy of the pelvis * Presence of medical conditions contraindicating general anesthesia or standard laparoscopic surgery * Active, non treated urinary tract infection * Active pyelonephritis * Women having undergone surgery for reimplantation of the ureters (UCNS) or nephrostomy