A member asked:

My cbc test is normal, but can i still have cancer?

4 doctors weighed in across 3 answers
Dr. Carlos Encarnacion answered

Specializes in Medical Oncology

Can happen: A patient may have active cancer and yet still have normal blood counts.

Answered 8/16/2019

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Possible: Its certainly possible to have normal blood counts and still have cancer. Patients often have blood count changes related to cancer treatment.

Answered 9/28/2016

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Always possible: There are no tests which correlate 100% with the presence/absence of cancer. A normal blood test, while good, cannot be taken as a guarantee that no cancer exists. A brief example: a person with prostate cancer will have normal blood tests until such time as the disease begins affecting the bone or the bone marrow then tests become abnormal. Psa may be up but it is not specific for prostatecancer.

Answered 8/16/2019

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