Bladder metastasis from epidermal growth factor receptor mutant lung cancer: A case report

Figure 1 Computed tomography images recorded tumor regression of bladder metastasis after almonertinib therapy. A-C: Before treatment; D-F: After treatment.

Figure 2 Cystoscopy analysis revealed multiple solid lesions on the anterior and bottom walls of the bladder. A: Solid lesion on the anterior wall; B and C: Solid lesion on the bottom wall.

Figure 3 Histopathological findings in metastatic bladder sample. A: Hematoxylin and eosin stained sections; B Negative staining for GATA3; C: Negative staining for P40; D: Positive staining for thyroid transcription factor 1.