Legend:

• Concept Types

'Esophageal Spasm, Diffuse'  (Integration tree)

Pathogenesis (traditional nomenclature)

• Genetic disorders of glycan synthesis (traditional nomenclature)

Pathogenesis (new nomenclature)

• Genetic disorders of glycan synthesis (new nomenclature)

Genetic disorders of glycan synthesis (by systems, signs and symptoms)

• Genetic disorders of glycan synthesis (by systems, signs and symptoms)
  • Diseases
    • Digestive System Diseases
      • Gastrointestinal Diseases
        • Esophageal Diseases
          • Deglutition Disorders
            • Esophageal Motility Disorders
              • Esophageal Spasm, Diffuse
                • Paroxysmal nocturnal hemoglobinuria, somatic (SOMATIC MUTATION) (GDGDB) [PIGA]