A 60-year-old female patient has psoriasis and has been treated with methotrexate for several years. She has no other medical problems and her preventive screenings, including fecal occult blood tests and colonoscopy, have all been normal. She has developed an anemia.
Which of the following would you expect to find when working up her anemia?
A. A macrocytic anemia
B. A microcytic anemia
E. A low vitamin B12 level
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