This includes ERBB2/HER2 amplification in endometrial carcinoma, renal papillary carcinoma, testicular germ cell tumors, urothelial carcinoma, renal clear cell carcinoma, colon carcinoma, ovarian carcinoma, thymoma, thyroid carcinoma, cervical carcinoma, and head and neck squamous cell carcinoma. Here, ERBB2 is linked to testicular germ cell tumor.