DUSP4 and neoplasm: As a result, short CSS was associated with negative DUSP4 expression (p = 0.018), high WHO/ISUP grade (p = 0.001), presence of tumor necrosis (p < 0.001), presence of sarcomatoid feature (p < 0.001), high pT category (p < 0.001), and presence of nodal metastasis (p < 0.001).