Some people commemorate time spent together by etching their names onto an old tree or desk; others might get matching tattoos; and some just send a card. None of these gestures of love and camaraderie were enough for British surgeon Simon Bramhall, who burned his initials into at least two of his patients’ livers.
Source: Gizmodo – The Doctor Who Branded a Patient’s Liver With His Initials Just Pled Guilty to Doing It Twice