Also in our prognostic analysis, we found that patients with low HDAC6 expression in PAAD, THYM, and UVM had significantly lower OS according to HDAC6 expression level which was further divided into high and low expression groups, and patients with low HDAC6 expression in KIRP, THYM, and UVM had significantly lower DSS. Here, HDAC6 is linked to pancreatic adenocarcinoma.