He saw the putrefaction in the leg, swollen and steaming, he saw the surgeon lift his knife. Six men stood around the victim, one poured alcohol into a funnel in the patient's mouth, another forced a plug of wood between the clenched teeth, the surgeon quickly cut through the flesh, sawed through the bone, lifted the severed leg like a trophy so the audience of somber young doctors in the gallery could see the results of the operation, the stump was cauterized with boiling fat, the screaming man wheeled into another room, the surgeon, covered with blood, wiped bloody hands on the apron, and prepared the instruments for the next patient being wheeled in.