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A 45-year-old female asked:

if someone had later stage cancers would a cbc blood test be normal?

2 doctor answers3 doctors weighed in
Dr. Jasyn Haney
Family Medicine 24 years experience
Possibly: Honestly, it would depend on the specific cancer and where and if it has spread to other sites. For instance, melanoma would likely have a normal count but leukemia would not.
Dr. Andrew Turrisi
Radiation Oncology 47 years experience
A CBC may: Be completely normal with very advanced cancer - - it measures red cells and their parameters, white cells, number and type, and platelets...Some include a differential that reports type and per cent of white cells. Some advanced cancers may cause problems, more from treatment, but a CBC is not a monitor for cancer stage, prognosis or expectations of any kind.

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Last updated Aug 16, 2017
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