Chylous ascites is a low-frequency post-operative complication, mainly associated with oncological procedures and radical lymphadenectomies.The management of chylous ascites requires knowledge of the anatomy and physiology of the cisterna chyli.A multidisciplinary approach is required to optimize outcomes.We present a 59-year-old male where chylous ascites following open abdominal aortic aneurysm repair was successfully treated.