Italy’s National Institute of Rome Tumori Regina Elena, Cancer surgical center, became the first hospital in the nation to use customized titanium implants to repair bones damaged by bone cancer (Osteosarcoma). The prosthetic implants were 3D printed in titanium using an Arcam electron beam melting (EBM) process with Sicily-based 3D printing services provider Mt. Ortho.
Source: http://futurism.com/3d-printing-used-make-prosthetic-bones-cancer-patients/