“…3 The diagnosis of chylopericardium is considered debilitating in children as it is associated with high morbidity and mortality from the uncontrolled chyle leaks, which, in turn, leads to hypoproteinemia, immune incompetence, and malnutrition if left untreated. 4,5 Several reports have been published on the incidence of chylopericardium following cardiac surgeries such as correction of atrial septal defect, ventricular septal defect, transposition of great arteries, tricuspid atresia, and Tetralogy of Fallot. The first report that described chylopericardium was in 1981, and a few subsequent cases were reported thereafter.…”