AKR1B10 and neoplasm: ↑ Higher salivary AKR1B10 levels in the patients with OSCC vs. normal controls (p < 0.001)↑ Higher salivary AKR1B10 levels associated with larger tumor size, more advanced clinical stage, and areca quid chewing habit↑ Higher salivary AKR1B10 level OSCC ~ poorer survival (p = 0.026)