Chylothorax, the accumulation of lymphatic fluid within the pleural cavity, results from disruption or obstruction of the thoracic duct or its tributaries, or from transdiaphragmatic chylous ascites. When severe, this condition may impair respiratory function and induce metabolic complications because of chronic loss of protein and lipids. Management strategies ranging from dietary modifications, medical therapy, surgical ligation, pleurodesis, and lymphatic embolization, generally follow a tier…