Case Report
Copyright ©The Author(s) 2024.
World J Clin Cases. Mar 16, 2024; 12(8): 1422-1429
Published online Mar 16, 2024. doi: 10.12998/wjcc.v12.i8.1422
Figure 4
Figure 4 Immunohistochemistry. The tumor cells showed diffuse positivity for cytokeratin (CK) 7 and negativity for cytokeratin 5/6, P63, P40, and thyroid transcription factor-1. The Kiel 67 proliferation index of tumor cells in hotspots were relatively high. CK: Cytokeratin; TTF-1: Thyroid transcription factor-1.