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Lipoproteins & Apolipoproteins | USMLE Step 1
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A 61-year-old man develops increasing output from a chest drain two days after esophageal surgery. The fluid becomes milky when oral feeding resumes. Pleural-fluid triglycerides are 320 mg/dL, compared with a serum triglyceride concentration of 125 mg/dL. The surgeon suspects an injury to the thoracic duct.