RGS5 and neoplasm: Among the various populations of tumor‐residing non‐hematopoietic stromal cells (NHSCs) functionally altered pericytes (cells wrapping blood capillaries) show strong expression of pro‐apoptotic molecule, ‘regulator of G‐protein Signaling 5′ (RGS5) which may confer its immunoregulatory phenotypes.