Pathology Questions-6

A50-year-old woman complains of a lump in
her thyroid gland. Fine-needle aspiration of
this lump is reported as medullary carcinoma.
A test of her serum would most likely
reveal an increased level of which of the
following?
(A) alpha-Fetoprotein
(B) cancer antigen (CA) 125
(C) CA 15–3
(D) calcitonin
(E) human chorionic gonadotropin

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