In this issue of Urologic Clinics of North America, guest editors Drs. Jeffrey M. Holzbeierlein and Philippe E. Spiess bring their considerable expertise to the topic of Advances in Penile and Testicular Cancer. Top experts in the field provide important clinical updates on the management of penile and scrotal cancer, discuss the current standards of care using evidence-based treatment guidelines, and provide insight on emerging discoveries. This issue provides critical information and updates needed to improve outcomes in patients with diseases that urologists do not see on a daily basis.