CD8A and breast angiosarcoma: In the CD8+ T cell population Trm cells predominated over (CD69-CD103-) non-Trm CD8+ T cells in BA, driven by an increase in the CD103+CD69+ population (Trm cells: p=0.001, DP Trm cells: p=0.001, non-Trm CD8+ T cells: p=0.001) (Figure 1C).