C3AR1 and neoplasm: Immune and stromal cell populations included 2 populations: Macrophages 1 (c1: C1qa, C1qb, C3aR1, Cd68, Csf1r, Tlr2, and Cd86) and 2 (c6 + c9: Ccr7, Csf2rb, Il1b, and Cd74) expanded in PNs as a percentage of total tumor cells (Figure 1C).