Case Report
Copyright ©The Author(s) 2022.
World J Clin Cases. Apr 6, 2022; 10(10): 3156-3163
Published online Apr 6, 2022. doi: 10.12998/wjcc.v10.i10.3156
Figure 4
Figure 4 The immunohistochemical staining results. A: Immunohistochemically, the tumor cells were positive for calretinin (nuclear and cytoplasmic staining, x 200); B: The tumor cells were focally positive for WT-1 (x 200); C: TTF-1 immunostaining was negative for tumor cells (x 200); D: CDX-2 immunostaining was negative for tumor cells (x200).