HLA-B and B-cell chronic lymphocytic leukemia: Allotype-specific overlap analysis with the entirety of benign tissue-derived immunopeptidomes revealed 2 774 HLA-A*02-, 1 440 HLA-A*24-, and 1 450 HLA-B*07-presented peptides detected exclusively on CLL samples (Figure 1D and Supplementary Figures 1I, J).