PMC7585793_01
Identification of L833V and H835L in EGFR exon 21 from liquid biopsy.
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Figure 1).
Medical imaging. CT scan with a right middle lobe lung mass before (A) and after (B) 1 month and 7 month (C) of afatinib treatment.
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Surprisingly, after one month of treatment, HRCT scan revealed a significant shrinkage in the nodules on the middle right lobe of the lung and decrease in number of nodules throughout the lung as compared to the baseline, indicating a partial response to afatinib (Figure 2A and B). After 7 months of afatinib treatment, the nodule in the middle lobe of right lung was almost disappeared (Figure 2A and C).