When a lump is cancerous, however, it will most likely be curable.
Other symptoms may include a feeling of heaviness in the scrotum, a dull ache in the abdomen or groin, or a sudden collection of fluid in the scrotum.
Most cases of cancer of the testicle occur in younger men under the age of 45 – but those with undescended testicles are most at risk.
Metastasis of cancer remains the main cause of death in cancer patients and the vast majority of people with metastasis can only be treated, not cured.