This work is to be achieved, that the RT, the specific challenges are presented at a transarterial chemoembolization. These challenges arise due to the Chemoembolisats were developed by expert interviews in a hospital in Vienna. The key results of this work are, among other things, that must be handled very carefully with the Chemoembolisat and self-protection is of great importance. The challenges begin with, that the preparations take longer, that other materials are needed and that nothing can escape from the syringe during the mixing and application. With this knowledge, on the one hand, the workflow will be strengthened and on the other hand new employees are easier enrolled in the assistance of a TACE.