old_contents: gender_mapping = {
      'male': 'M',
      'female': 'F',
      'transgender': 'T',
  }
  
  disease_classification = {
      'pulmonary': 'P',
      'extra_pulmonary': 'EP',
  }
  
  patient_type_choice = {
      'new': '1',
      'recurrent': '2',
      'other_previously_treated': '3',
      'treatment_after_failure': '4',
      'other_previously_treated': '5',
      'treatment_after_lfu': '6',
      'transfer_in': '7',
  }
  
  treatment_support_designation = {
      'health_worker': '1',
      'tbhv': '2',
      'asha_or_other_phi_hw': '3',
      'aww': '4',
      'ngo_volunteer': '5',
      'private_medical_pracitioner': '6',
      'other_community_volunteer': '7',
  }
  
  occupation = {
      'air_force': 7,
      'business_person': 7,
      'charity_social_work': 7,
      'chartered_accountant': 7,
      'college_university_teacher': 6,
      'diplomat': 1,
      'doctor_': 5,
      'engineer': 4,
      'government_service': 1,
      'house_maker': 7,
      'journalist': 7,
      'labour': 27,
      'lawyer': 11,
      'media': 7,
      'military': 7,
      'navy': 7,
      'news_broadcaster': 7,
      'other': 7,
      'police': 7,
      'private_service': 7,
      'publisher': 7,
      'reporter': 7,
      'researcher': 6,
      'retired': 30,
      'self-employed_freelancer': 7,
      'student': 6,
      'trader': 21,
      'unemployed': 28,
      'worker': 29,
      'writer': 7,
  }
  
  episode_site = {
      'lymph_node': 1,
      'pleural_effusion': 2,
      'abdominal': 3,
      'others': 10,
  }
  dcpulmonory = {
      'pulmonary': 'Y',
      'extra_pulmonary': 'N',
  }
  
  dcexpulmonory = {
      'pulmonary': 'N',
      'extra_pulmonary': 'Y',
  }
  
  treatment_outcome = {
      'cured': '1',
      'treatment_complete': '2',
      'died': '3',
      'failure': '4',
  }
  
new_contents: gender_mapping = {
      'male': 'M',
      'female': 'F',
      'transgender': 'T',
  }
  
  disease_classification = {
      'pulmonary': 'P',
      'extra_pulmonary': 'EP',
  }
  
  patient_type_choice = {
      'new': '1',
      'recurrent': '2',
      'other_previously_treated': '3',
      'treatment_after_failure': '4',
      'other_previously_treated': '5',
      'treatment_after_lfu': '6',
      'transfer_in': '7',
  }
  
  treatment_support_designation = {
      'health_worker': '1',
      'tbhv': '2',
      'asha_or_other_phi_hw': '3',
      'aww': '4',
      'ngo_volunteer': '5',
      'private_medical_pracitioner': '6',
      'other_community_volunteer': '7',
  }
  
  occupation = {
      'air_force': 7,
      'business_person': 7,
      'charity_social_work': 7,
      'chartered_accountant': 7,
      'college_university_teacher': 6,
      'diplomat': 1,
      'doctor_': 5,
      'engineer': 4,
      'government_service': 1,
      'house_maker': 7,
      'journalist': 7,
      'labour': 27,
      'lawyer': 11,
      'media': 7,
      'military': 7,
      'navy': 7,
      'news_broadcaster': 7,
      'other': 7,
      'police': 7,
      'private_service': 7,
      'publisher': 7,
      'reporter': 7,
      'researcher': 6,
      'retired': 30,
      'self-employed_freelancer': 7,
      'student': 6,
      'trader': 21,
      'unemployed': 28,
      'worker': 29,
      'writer': 7,
  }
  
  episode_site = {
      'lymph_node': 1,
      'pleural_effusion': 2,
      'abdominal': 3,
      'others': 10,
  }
  dcpulmonory = {
      'pulmonary': 'Y',
      'extra_pulmonary': 'N',
  }
  
  dcexpulmonory = {
      'pulmonary': 'N',
      'extra_pulmonary': 'Y',
  }
  
  treatment_outcome = {
      'cured': '1',
      'treatment_complete': '2',
      'died': '3',
      'failure': '4',
      'regimen_changed': '7',
  
  }
  
subject: Add regimen_changed -> Switched to CAT4 to treatment outcomes