USP19 and gastric adenocarcinoma: The result showed that 1%-12% deep deletion of USP19 is observed in several different tumors types, including kidney renal clear cell carcinoma (TCGA provisional), stomach adenocarcinoma (TCGA Nature, 2014), cervical squamous cell carcinoma (TCGA provisional), esophageal carcinoma (TCGA provisional) and brain lower grade glioma (TCGA provisional) (Figure 6A).