OTUD6B and nonpapillary renal cell carcinoma: Then, Kaplan-Meier analysis was used to evaluate the relationship between OTUD6B-AS1 expression in ccRCC and patient clinicopathological characteristics, and the results showed that the survival time of the patients with pathologic stage I + II disease (n = 318) was longer than that of the patients with advanced stage lesions (n = 205) (P < 0.0001, Additional file 1: Figure S1A).