Haagensen D E, Dilley W G, Cox C E, Giannola J E, Wells S A
Department of Surgery, Duke University Medical Center, Durham, NC.
Surg Forum. 1978;29:162-4.
Approximately 50% of the present patients with metastatic breast carcinoma, who were treated with hormonal therapy, had increased plasma levels of CEA or GCDFP. With therapy, serially decreasing plasma levels of these marker proteins appeared an accurate indicator of a favorable response, whereas increasing levels indicated disease progression.