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We've only uses the CEA tumor marker in my case as it's the only one that was elevated at first diagnosis of mets, at 10.0, with normal being less than 3.0. The marker quickly came down to less than 0.3 within a few months of starting Herceptin/Navelbine, and has never been elevated by more than a 10th of a point even through 2 subsequent recurrences of mets. So for me the current tumor markers are not accurate. My onc is looking into the Her2 Serum test for me, and we'll talk about it at my next visit.
I've always known when I was having a recurrence due to symptoms, but that's because my mets are to the lymph system and the lymph nodes are easy to find and palpate when they're enlarged.
<3 Lolly
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