wound_treatment_result_tooltip_effect

wound_treatment_result_tooltip_effect = {
	save_temporary_scope_value_as = {
		name = treatment_result_treatment
		value = flag:$TREATMENT$
	}
	save_temporary_scope_value_as = {
		name = treatment_result_outcome
		value = flag:$OUTCOME$
	}
	#Show death or treatment outcome
	if = {
		limit = { scope:sick_character = { is_alive = no } }
		custom_tooltip = health.3200.death.tt
	}
	else = {
		show_as_tooltip = {
			scope:sick_character = {
				add_wound_treatment_modifier_effect = { TREATMENT = $TREATMENT$ OUTCOME = $OUTCOME$ }

				if = {
					limit = { has_variable = treatment_strategy }
					if = {
						limit = { var:treatment_strategy = flag:amputation }
						add_trait_force_tooltip = one_legged
					}
					else_if = {
						limit = { var:treatment_strategy = flag:disfigurement }
						add_trait_force_tooltip = disfigured
					}
					else_if = {
						limit = { var:treatment_strategy = flag:eye }
						add_trait_force_tooltip = one_eyed
					}
					else_if = {
						limit = { 
							var:treatment_strategy = flag:castration
						}
						add_eunuch_trait_effect = yes
					}
				}
			}
		}
	}
}

As written in game/common/scripted_effects/20_health_effects.txt.