In total, 133 individual HLA-A, HLA-B, and HLA-C alleles (Supplementary Table S1, Supplemental Digital Content 2, http://links.lww.com/JS9/A233) were called in 608 PAAD patients, and 99 HLA-A/B alleles were assigned to 12 disparate supertypes with the available definition9, based on their peptide-anchor-binding specificity9,17. Here, HLA-A is linked to pancreatic adenocarcinoma.