Tag Archives: carcinoembryonic antigen

CEA Flares During Chemo Don't Mean Cancer Progression

Colorectal cancer patients whose CEA blood tests rise at the beginning of chemotherapy and then fall (CEA flare) do better than patients with a consistently rising CEA.   CEA flares don’t necessarily predict worsening cancer. Compared to patients with consistently rising carcinoembryonic antigen (CEA), patients who had a CEA flare had more tumor shrinkage, longer time before their cancer got worse, and longer survival time.

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