Interestingly, FcγRIIB was not expressed on WT CD8+ T cells in the dLN, spleen, or tumor on day 7; however, FcγRIIB expression was identified on a subset of CD44hiCD8+ T cells in the dLN, spleen, and tumor on days 10 and 14 (Figure 1, C and D). Here, FCGR2B is linked to neoplasm.