All

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 C06 Digestive System Diseases D004066 +
  C06.405 Gastrointestinal Diseases D005767 +
   C06.405.117 Esophageal Diseases D004935 +
    C06.405.117.468 Esophageal Perforation D004939 
      C06.405.117.468.524 Mallory-Weiss Syndrome D008309 
 C21 Disorders of Environmental Origin D007280 +
  C21.866 Wounds and Injuries D014947 +
   C21.866.348 Esophageal Perforation D004939