We evaluated the expression of these proteins in UC and assessed their associations with clinicopathological features.<h4>Methods</h4>Formalin-fixed, paraffin-embedded samples from 102 UC patients (168 tumor sections) and 23 controls were analyzed by immunohistochemistry for NF-κB, IL-8, HSP90α, and HSP90β. The gene discussed is HSP90AA1; the disease is neoplasm.