It is intended, in another controlled, prospective study, to compare hyperthermia in conjunction with temporary hormone therapy with other common forms of treatment in order to finally shed some light on comprehensive long-term results. If „Active Surveillance” with its known risks is permitted, then hyperthermia with temporary hormone treatment should also find its place among the standard therapies, because no substantial, lasting adverse effects are incurred. To the contrary, it increases quality of life and life expectancy.