Face transplants technically possible, but "very hazardous".
Clark
Jocalyn
J
D005145:Face / Q000601:surgery*; D006801:Humans; D019651:Plastic Surgery Procedures / Q000941:ethics* / Q000379:methods / Q000523:psychology*; D016378:Tissue Transplantation / Q000941:ethics* / Q000379:methods / Q000523:psychology*