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EGFR T790M detection rate in matched tissue, plasma, and urine from a subset of 174 patients enrolled in the TIGER-X trial. (A) Venn diagram of 170 samples where at least one specimen type had a positive test result; (B) percentage of EGFR T790M-positive patients identified by various sample types. EGFR, epidermal growth factor receptor. Adapted from: Wakelee 2017, J Thorac Oncol.
