<a href="/doctors/prof-dr-med-rainer-fietkau">Prof. Dr. med. Rainer Fietkau</a> - 42 years, <a href="/doctors/prof-dr-med-andrew-mackensen">Prof. Dr. med. Andrew Mackensen</a> - 36 years, <a href="/doctors/prof-dr-med-h-c-horia-sirbu-fects">Prof. Dr. med. h.c. Horia Sirbu, FECTS</a> - 32 years, <a href="/doctors/prof-dr-med-mario-perl-mhba">Prof. Dr. med. Mario Perl, MHBA</a> - 23 years, and <a href="/doctors/prof-dr-med-michael-uder">Prof. Dr. med. Michael Uder</a> - 22 years are bone cancer clinicians in Erlangen with a wealth of experience.