ERBB2 and childhood testicular germ cell tumor: 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).