Myeloid antigen-presenting cell niches sustain antitumor T cells and license PD-1 blockade via CD28 costimulation. - Duraiswamy J; Turrini R; Minasyan A; Barras D; Crespo I; Grimm AJ; Casado J; Genolet R; Benedetti F; Wicky A; Ioannidou K; Castro W; et al. (Cancer cell, 2021)