In this study, using a scRNAseq cohort from the KPC mouse tumor model that we used in our previous study where we looked at reprogramming of cytotoxic CD8+ T cells22, we observed a gene expression pattern of Fcgr2b and Siglecg within the B cell population of murine pancreatic tumors that resembled our findings in spontaneously accepted kidney allografts. This evidence concerns the gene FCGR2B and neoplasm.