Through the TCGA database, we found that USP15 was highly expressed in breast cancer, cholangiocarcinoma, esophageal cancer, head and neck squamous cell carcinoma, renal clear cell carcinoma, gastric adenocarcinoma, and acute myeloid leukemia (Figures 1(a) and 1(b)). The gene discussed is USP15; the disease is clear cell renal carcinoma.