Case Report
Copyright ©The Author(s) 2022.
World J Clin Cases. Apr 26, 2022; 10(12): 3801-3807
Published online Apr 26, 2022. doi: 10.12998/wjcc.v10.i12.3801
Figure 1
Figure 1 Expression of programmed death ligand 1 (immunohistochemical staining, Dako 22C3). A: Positive controls × 200; B: Negative controls × 200; C: Tumor samples hematoxylin and eosin × 100; D: Tumor samples immunohistochemistry × 200.