ITGAM and B-cell non-Hodgkin lymphoma: Our data demonstrate that a co- injection of MSCs and A20 cells into lacrimal glands promotes B-cell lymphoma growth and increased infiltration of various immune and immune-regulatory cells including CD4+ cells, CD11b+ cells, Foxp3+ regulatory T cells (Tregs), or CD11b+Ly6C+Ly6G−myeloid-derived suppressor cells (MDSCs).