Anthony M. Rud, Weird Tales (1926)
“ A queer look came into Pendleton's eyes. "You don't suppose that in removing this—er—this—what is left of my twin, we would be—er—doing murder?" I smiled at the fancy. "No, hardly. You may liken this hand to a tumor. Removal of a tumor does not constitute murder, does it? A tumor is a parasitic growth. This hand is a parasitic growth. We remove parasitic growths before they become too dangerous. Murder?" ”
