article_snippet: However Rob Cornes stressed there are two types of testicular cancer - and HGC is not present in the majority of cases of the most common form.
article_snippet: If this is true, you should check yourself for testicular cancer.
article_snippet: Cancer of the testicles most commonly affects men aged 15 to 45, with around 2,200 cases diagnosed each year.
article_snippet: Unlike many cancers, there are few known risk factors for testicular cancer.
article_snippet: Men born with an undescended testicle, are at a slightly greater risk.
article_snippet: Having a brother or father affected by testicular cancer can also increase a man's risk.
article_snippet: Some research has suggested the disease is slightly more common in men with fertility problems and men with HIV are more likely to develop testicular cancer.