A 62-Year-Old Man Comes to the Physician Because of a 5-Day

A 62-year-old man comes to the physician because of a 5-day history of swelling in his left arm. Physical examination shows erythema and a tender, palpable cord-like structure along the medial arm. A superficial thrombophlebitis is daignosed. During further evaluation, a palpable, nontender mass below the right costal margin is found. Abdominal imaging shows a malignant mass in the pancreas.  The patient subsequently undergoes an uncomplicated subtotal pancreatectomy and returns for a postoperative nutritional assessment following hospital discharge.  Which of the following tests will most likely be normal in this patient after surgery?

A) Duodenal lipase levels after cholecystokinin stimulation
B) Duodenal trypsin levels after cholecystokinin stimulation
C) Intestinal D-xylose absorption
D) Serum trypsinogen
E) Stool neutral fat content

Correct Answer:

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