Among men aged 15 to 44 years, testicular tumours are the most common cancer diagnosed. And testicular cancer can cause considerable morbidity and mortality. So it is important that we get the diagnosis and management of this condition right. To find out more about this problem and what we can do about it, please do listen to his podcast interview with Corbin Eule, Assistant Professor of Medical Oncology at the University of Colorado Anschutz Medical Campus. And importantly Corbin is BMJ Best Practice author on testicular cancer. Competing interests: None