PMC8674200_01
Evolution of the disease in case presentation. CT, computed tomography; HE, hematoxylin and eosin; Syn, synaptophysin; Rx, treatment.
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Magnetic resonance imaging (MRI) showed multiple lesions in both cerebral hemispheres, with the larger lesion sized 2.3x2.1 cm located in the left parietal lobe ( Figure 1 ).
520 genes showed EGFR L858R and L718Q mutations. (A) EGFR mutations allele frequency. (B, C) The location of EGFR L858R and EGFR L718Q mutation. (D) The expression of programmed death-ligand 1 (PD-L1).
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Detection of 520 genes showed EGFR L858R and L718Q mutations and a programmed death-ligand 1(PD-L1) expression level of 20%( Figure 2 ).