The CGB1 gene transcript was found in 12 types of cancer only, namely: BLCA (Bladder urothelial carcinoma), CESC (Cervical squamous cell carcinoma), ESCA (Esophageal carcinoma), HNSC (Head and Neck squamous cell carcinoma), OV (Ovarian serous cystadenocarcinoma), LUSC (Lung squamous cell carcinoma), PAAD (Pancreatic adenocarcinoma), READ (Rectum adenocacinoma), TGCT (Testis germ cell tumors), THYM (Thymoma), UCEC (Uterine corpus endometrial carcinoma) and USC (Uterine carcinosarcoma); (Figure 1). Here, CGB1 is linked to testicular germ cell tumor.