BCC	Basal cell carcinoma
nBCC	Nodular basal cell carcinoma
sBCC	Superficial basal cell carcinoma
CR	Complete response
CTCAE	Common Terminology Criteria for Adverse Events
ELISPOT	Enzyme-linked immunospot
IFN-γ	Interferon gamma
IO103	19-amino acid peptide from PD-L1
NC	No chance
PD-1	Programmed death 1
PD-L1	Programmed death ligand 1
Tregs	Regulatory T cells
PBMCs	Peripheral blood mononuclear cells
PI	Principal investigator
PR	Partial response