Do Normal Blood Tests CBC And CRP Rule Out Cancer?

Posted on Thu, 5 Jul 2018

Medically reviewed by Ask A Doctor - 24x7 Medical Review Team

Thu, 5 Jul 2018 Answered on

Wed, 9 Feb 2022 Last reviewed on

Question : Hi doctor

Does normal blood test such as :
CBC & CRP rule our cancer?

Answered by Dr. Monish De (44 minutes later)

Brief Answer:

Blood tumor marker tests and PET CT scan

Detailed Answer:

Hi,

Normal blood test like CBC and CRP cannot rule out cancer.

To detect cancer special tumor marker blood tests and imaging tests are required such as PET CT scan

Regards

DR Monish De

Oncologist

Above answer was peer-reviewed by : Dr. Prasad