Complex sentence: As a wide range of pelvic and abdominal pathology can cause symptoms consistent with those symptoms due to left ovarian vein reflux, prior to embolisation of the left ovarian vein, a careful search for such diagnoses is essential.
Split into simpler sentences: As a wide range of pelvic and abdominal pathology can cause symptoms consistent with those symptoms due to left ovarian vein relux. Prior to embolisation of the left ovarian vein, a careful search for such diagnoses is essential.