An appendix testis is very small, typically seven to 11 millimeters long. The appendix testis looks like a small blob of tissue. You cannot see it because it’s located on the testis under your skin.

Testicular cancer is cancer that develops in the testicles, a part of the male reproductive system.. In the United States, between 7,500 and 8,000 diagnoses of testicular cancer are made each year ...

Tumor specimens (see Table 1 in the Supplementary Appendix, available with the full text of this article at NEJM.org) were obtained from 1336 patients immediately after surgery.The patients did ...