In‐frame variants of CHGB, LRPAP1, SLC4A1AP, TIMM44 and HLA‐C (all with high AF in the reference population) were enriched in adrenal gland, heart, kidney, lymph node and spleen metastases, respectively (Table S6B and Figure 4B). This evidence concerns the gene HLA-C and atrial fibrillation.