#mastectomy  surgical removal of a breast to remove a malignant tumor
  supertype:  #cutting_out__cuttingout__ablation__extirpation__excision  surgical removal of a body part or tissue
  subtype:  #modified_radical_mastectomy  removal of a breast and the pectoralis minor and some lymph nodes in the adjacent armpit
  subtype:  #radical_mastectomy__radicalmastectomy  removal of a breast and the underlying muscles (pectoralis major and pectoralis minor) and lymph nodes in the adjacent armpit
  subtype:  #simple_mastectomy  removal of a breast leaving the underlying muscles and the lymph nodes intact

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