“…Iatrogenic traumatic causes include thoracic duct damage following subclavian vein catheterization and duct blockage due to central venous catheterization-related venous thrombosis ( 5 ). Noniatrogenic traumatic cases include thoracic duct damage following fracture, dislocation of the spine, childbirth, and penetrating trauma from knife or gunshot injuries ( 6,7 ). Nontraumatic etiologies include malignancy, sarcoidosis, retrosternal goiter, amyloidosis, superior vena cava thrombosis, benign tumors, congenital duct abnormalities, and diseases of the lymph vessels such as yellow nail syndrome, lymphangioleiomyomatosis, and hemangiomatosis ( 4 ).…”