Testicular pain is pain you feel in one or both of your testicles. Your testicles are the two soft, round structures inside your scrotum, the sac of skin underneath your penis. Testicles make sperm ...

If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have ...

A lymphoma can first develop in the testes, which doctors call primary testicular lymphoma. It may also start in another organ and spread or metastasize to the testes and other parts of the body.

Performing a testicular self-examination can help catch testicular cancer early and give you the best chance of having a good outlook. According to the American Cancer Society (ACS), about 1 in 250 ...