Chylothorax and Chyloperitoneum

A 76-year-old man underwent elective repair of an abdominal aortic aneurysm, and in the subsequent eight weeks, exertional dyspnea, orthopnea, and abdominal pain developed. On physical examination, the patient was afebrile, and his vital signs were normal. There was a dull percussion note and decreased breath sounds over the right lower lung field. The abdomen was protuberant and diffusely tender. The serum triglyceride level was 1.21 mmol per liter (normal,