It may be relevant to other neoplasms as well considering that data mining of the TCGA database revealed a significant positive correlation between ErbB2 and SORL1 expression in testicular germ cell tumours, cervical squamous cell carcinoma, endocervical adenocarcinoma, renal clear cell carcinoma, sarcoma and thymoma (Supplementary Fig. 6d). This evidence concerns the gene SORL1 and childhood testicular germ cell tumor.