PMC8573166_01
Gene check analysis showed that the patient had an EGFR exon20 insertion (p.D770-N771insGT) mutation.
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Next-generation sequencing (NGS) testing showed an EGFR exon20 insertion (p.D770-N771insGT) mutation with concurring ERBB2 and TP53 mutations ( Figure 1 ).
Patient dynamic changes in the chest CT and brain MRI during treatments.
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The dynamic changes in chest CT and brain MRI during treatments are shown in  Figure 2 .
Patient clinical course including treatment process and relevant assessment.
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On March 20th, the patient died with an overall survival time of 13.5 months.  Figure 3  shows a flow pathway for treatment and assessment.