VOPP1 and oral cavity squamous cell carcinoma: The areas under the ROC curve of AXL, SCG5, DCBLD2, VOPP1, DRAM1, DUSP1, AQP5, and BLNK in the detection of oral squamous cell carcinoma were 0.764, 0.907, 0.858, 0.860, 0.767, 0.725, 0.725 and 0.708, respectively.