#angioma  a tumor consisting of a mass of blood or lymphatic vessels
  supertype:  #tumor  #angiopathy
  subtype:  #hemangioma__haemangioma  benign angioma consisting of a mass of blood vessels; some appear as birthmarks
     subtype:  #strawberry_hemangioma__strawberry_haemangioma  a congenital bright red superficial vascular tumor resembling a strawberry; tends to decrease in size during childhood
  subtype:  #lymphangioma  benign angioma consisting of a mass of lymphatic vessels
  subtype:  #spider_angioma__spider_nevus__vascular_spider  a dilation of superficial capillaries with a central red dot from which blood vessels radiate

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