• Chalazion
  Chalazion

  A non-neoplastic cyst of the MEIBOMIAN GLANDS of the eyelid.<br/>Year introduced: 1992
  MeSH
• Bronchogenic Cyst
  Bronchogenic Cyst

  A usually spherical cyst, arising as an embryonic out-pouching of the foregut or trachea. It is generally found in the mediastinum or lung and is usually asymptomatic unless i...<br/>Year introduced: 1987
  MeSH
• Neoplasms, Multiple Primary
  Neoplasms, Multiple Primary

  Two or more abnormal growths of tissue occurring simultaneously and presumed to be of separate origin. The neoplasms may be histologically the same or different, and may be fo...<br/>Year introduced: 1965
  MeSH

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