CD274 and colonic neoplasm: Moreover, PEG2000‐SiNcTI‐Ph/CpG‐ZIF‐8@CM evades immune surveillance to target CT26 colon tumors in mice mediated by CD47/signal regulatory proteins α (SIRPα) interaction and PD‐1/programmed death ligand 1 (PD‐L1) interaction, respectively.