TCGA database was used to analyze the relationship between AATF RNA expression and 33 tumor pathological stages, among which kidney chromophobe (KICH), kidney renal papillary cell carcinoma (KIRP), and liver hepatocellular carcinoma (LIHC) were significantly different in each pathological stage (P < 0.05, Figure 3(a)). The gene discussed is AATF; the disease is neoplasm.