Multiplex immunohistochemistry assay to evaluate the melanoma tumor microenvironment.

<p>Representative images of triple staining. HLA expressed on the surface of the tumor cells (red arrows), nuclear expression of&nbsp;<a href="https://www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/foxp3">FOXP3</a>&nbsp;on Treg cells (brown arrows) and cytoplasmic expression of GRZB on&nbsp;<a href="https://www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/t-cells">T cells</a>&nbsp;(green arrows)</p>