STING1 and neoplasm: The most popular molecular immunological adjuvants used in anti-tumor vaccines are QS-21A, Montanide ISA 720, Montanide ISA-51, stimulator of interferon gene protein (STING) agonists, Freund’s adjuvant (IFA), the TLR1/2 ligand adjuvant Amplivant, pathogen-associated molecular pattern molecules (PAMPs), TiterMaxGold, and Sigma adjuvant system (SAS) [23,65,66,67].