Question: A 50-year-old man presented at our gastrointestinal clinic with a several-month history of dyspeptic symptoms without alarming features such as weight loss, vomiting, or gastrointestinal blood loss. He was not taking any medication. He had undergone an atypical resection of a part of the gastric fundus, 17 years ago, for a small carcinoid tumor with a subsequent unremarkable follow-up. Physical examination was normal. Laboratory tests showed a microcytic hypochromic anemia (hemoglobin, 9.6 g/dL), iron deficiency (serum iron, 22mug/dL; serum ferritin, <5 muig/L), and serum albumin at the lower limit of normal (3.5 mg/dL). International normalized ratio coagulation tests, C-reactive protein, and white blood cell count, as well as liver and pancreatic enzyme values, were within normal ranges.
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