GMS Current Topics in Computer- and Robot-Assisted Surgery (GMS CURAC) is an annual journal of the German Society of Computer- and Robot-Assisted Surgery (CURAC) dedicated to publish state-of-the-art articles from the annual meeting of the society. GMS CURAC is an open access e-journal. All manuscripts are reviewed by medical and technical experts in the field of Computer- and Robot-Assisted Surgery. Accepted contributions are published purely electronically and in English. All published articles are available throughout the world online for anyone interested: immediately, permanently and free of charge.