TAP1 and bladder transitional cell carcinoma: TAP1 expression was positively correlated with OS of patients with BLCA, HNSC, OV, READ, SARC, SKCM, STAD, and THCA, indicating a protective role, while in 11 of 32 cancer types, including ACC, KIRP, LGG, LUAD, LUSC, PAAD, and UVM, TAP1 expression was found to be a net risk factor.