Although radiologic visualization of the lymphatic system was reported thirty-one years ago (2), it was not until 1952 that a practical method was described by Kinmonth et at. (9). Subsequently, numerous excellent works have attested to the value of lymphangiography (1, 3–5, 12–14). Recently we had occasion to investigate a patient exhibiting chylous ascites secondary to lymphosarcoma. We believe this case is the first to be published in which lymphangiography was utilized in chylous ascites. Case Report A 43-year-old Caucasian male was first admitted to the Coral Gables Veterans Administration Hospital on March 28, 1961, because of progressive swelling of the abdomen of two weeks duration, associated with cramping abdominal pain. One year prior to admission the patient had noticed a tendency to tire easily, anorexia, and a progressive 15-pound weight loss. His past medical history was unremarkable. Physical Examination: On physical examination the patient appeared well nourished and well developed, with ...