Skip to main content
. 2023 May 11;20(7):858–869. doi: 10.7150/ijms.82008

Figure 1.

Figure 1

Main targets of immunotherapy in BTCs. BTCs; biliary tract cancers; PD-1, programmed death 1; PD-L1, programmed death ligand 1; CTLA-4, cytotoxic T-lymphocyte-associated protein 4; TGF-β, transforming growth factor beta.

HHS Vulnerability Disclosure