Role of liquid biopsy to select pts for osimertinib
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Always in pts not eligible for biopsy (bone metastases)
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Liquid biopsy with highly sensitive methods, 70-80% sensitivity
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If negative for T790M, tumor biopsy
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T790M tissue, plasma and urine tests complement one another, each
test identifies cases missed by the other tests
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Which is the optimal determination technique in plasma?