MMP9 and basal cell carcinoma: The expression of MMP-3, MMP-9, and MMP-14 was detected using immunohistochemistry on deparaffinized tissue sections.<h4>Results</h4>The IHC analysis revealed distinct expression patterns across the subtypes:Basal cell carcinoma: MMP-3 and MMP-14 were strongly expressed with both nuclear and cytoplasmic localization.