Inducible T‐Cell Co‐Stimulator (ICOS) and ICOS Ligand: Dealing With a Two‐Faced Cancer Immunoregulatory System. - Nikanjam, Mina; Kato, Shumei; Nishizaki, Daisuke; Miyashita, Hirotaka; Pabla, Sarabjot; Nesline, Mary K.; Ko, Heidi; Conroy, Jeffrey M.; Naing, Aung; Kurzrock, Razelle (Cancer Medicine, 2026)