Figure 2

Comparison of positive rate of copy numbers in exon 19 deletion (A), L858R (B), T790M (C), and C797S (D), according to pretreatment, 1 month, and at progressive disease after osimertinib initiation.
Comparison of positive rate of copy numbers in exon 19 deletion (A), L858R (B), T790M (C), and C797S (D), according to pretreatment, 1 month, and at progressive disease after osimertinib initiation.