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Michelle asked...

My husband's tumour markers are decreasing every chemo cycle.

Tags: cancer

My husband's tumour markers are decreasing every chemo cycle. He hasnt had surgery so far- Tumour in bowel and mets to liver. What would be considered a normal tumour marker in a person without cancer please and also, what marker could be lowest reading considering he still hasnt had his tumours removed yet?

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The answer

Tumour markers are one way of monitoring if cancer treatments are working. Decreasing levels are a good sign that the chemotherapy is having effect. You would not expect to detect these tumour markers in a healthy person without cancer. There are different types of tumour markers for different types of cancer, and the ranges of results vary too. Your doctor will explain the results further. Blood tests are not the only way to assess the response to chemotherapy, he may also need a repeat scan too.

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