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Tumor markers are very accurate for some people and not so accurate for others. Mine have always been a good sign that something was up. Except when I got brain mets. They kept getting lower. Made no sense. Later, they started climbing, scans showed nothing, but a second set of scan a couple of months later showed they were very accurate (also lymph nodes). A good friend, Mary Crawford, had "too numerous to count brain mets," and her scans never climbed.
So either the brain makes a difference, and/or markers are more sensitive than scans and indicate trouble before we can "see" it. I'm sure your doc will continue looking at scans as just one piece of the puzzle.
Yes, for 1/3 of us, Herceptin alone doesn't do the trick. But that wouldn't stop me from using it. Who knows where I'd be if I DIDN'T use it!
Love and light,
Lisa
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