New answers tagged cancer
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"At presentation" means "when a symptom/diagnosis is observed/noted by a medical professional".
In the paper you cite, they are doing microarrays on biopsied tumor tissue. "At presentation" here effectively means "at biopsy", at which time that a patient is diagnosed with hepatocellular carcinoma. It's important to ...
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"Presentation" is the event where the patient first visits the doctor.
For example, "the patient presented with yellowing skin and complaining of abdominal pain".
The paragraph you have doesn't make this clear, they assume you have already had your genome sequenced prior to visiting the doctor, who looks at the result, uses this tool and ...
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