risky_disease_treatment_effect

risky_disease_treatment_effect = {
	$TREATMENT_PICKER$ = { save_scope_as = treatment_picker }
	$PATIENT$ = {
		custom_tooltip = risky_diseaste_treatment.tt

		scope:treatment_picker = {
			stress_and_fulfillment_impact = {
				craven = medium_stress_impact_gain
				content = minor_stress_impact_gain
			}
		}

		hidden_effect = {
			save_court_physician_as_effect = { SCOPE_NAME = physician }

			if = {
				limit = {
					exists = scope:physician
					court_physician_available_trigger = yes
				}

				#Physician skill up
				scope:physician = {
					physician_level_up_chance_effect = { CHANCE = 10 }
				}

				random_list = {
					1 = { #Success
						modifier = {
							scope:physician = {
								learning >= mediocre_skill_rating
								learning < medium_skill_rating
							}
							factor = 2
						}
						modifier = {
							scope:physician = {
								learning >= medium_skill_rating
								learning < decent_skill_rating
							}
							factor = 4
						}
						modifier = {
							scope:physician = {
								learning >= decent_skill_rating
								learning < high_skill_rating
							}
							factor = 7
						}
						modifier = {
							scope:physician = {
								learning >= high_skill_rating
							}
							factor = 10
						}
						modifier = {
							scope:physician = { has_trait = lifestyle_physician }
							factor = 2
						}
						modifier = {
							scope:physician = {
								has_trait = lifestyle_physician
								has_trait_xp = {
									trait = lifestyle_physician
									value >= 50
								}
							}
							factor = 5
						}
						modifier = {
							scope:physician = {
								has_trait = lifestyle_physician
								has_trait_xp = {
									trait = lifestyle_physician
									value >= 100
								}
							}
							factor = 5
						}
						# Liege Perk bonus
						modifier = {
							exists = scope:physician.liege
							scope:physician.liege = {
								has_perk = anatomical_studies_perk
							}
							factor = 2
						}
						modifier = { # Bump the death numbers a bit
							$PATIENT$ = { is_ruler = no }
							factor = 0.8
						}
						modifier = { # Pool characters should die more
							$PATIENT$ = { is_pool_character = yes }
							factor = 0.2
						}

						#Critical or normal success?
						random_list = {
							1 = {
								modifier = {
									scope:physician = { has_trait = lifestyle_physician }
									factor = 2
								}
								modifier = {
									scope:physician = {
										has_trait = lifestyle_physician
										has_trait_xp = {
											trait = lifestyle_physician
											value >= 50
										}
									}
									factor = 2
								}
								modifier = {
									scope:physician = {
										has_trait = lifestyle_physician
										has_trait_xp = {
											trait = lifestyle_physician
											value >= 100
										}

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