[Clinical significance of a transient increase in carcinoembryonic antigen and carbohydrate antigen 19-9 in patients with metastatic colorectal cancer receiving chemotherapy].

Abstract

BACKGROUND AND OBJECTIVE An increase in carcinoembryonic antigen (CEA) and/or carbohydrate antigen 19-9 (CA19-9) levels is generally considered as tumor progression in patients with metastatic colorectal cancer (MCRC). However, a transient CEA surge has been observed in patients with MCRC responding to chemotherapy. This study was to investigate the… (More)

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