A patient today reminded us of an older video we created a few years ago on how blood test cancer markers can fluctuate (i.e. go up or down) in a single day. Blood tests like other forms of assessments (imaging, etc.) may create stress for some and its important to remind that they are not always perfect and there are margins of error in the interpretation.
Discuss what this means for you
Research can raise useful questions. A study or individual case report does not establish that a treatment is suitable for everyone. Discuss medications, supplements and treatment changes with your care team.
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