My onc doesn't do them routinely until stage 4. They are highly influenced by other factors such as infections etc.She uses them to help determine if scans or other tests are warrented in the hopes to not expose us to unnecessary radiation and stressful scans not to mention the stress of waiting for results.
They all seem to have a different opinion and I'm not sure who is right or if there is such a thing. I just go with my instincts and my onc is willing to do scans and x-rays etc if I request them before she thinks they are necessary.
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