#dilatation__distension  the state of being stretched beyond normal dimensions
  supertype:  physiological_state__physiologicalstate__physiological_condition__physiologicalcondition  the condition of the body or bodily functions
  subtype:  ectasia__ectasis__ectasi  dilatation or distension of a hollow organ
     subtype:  lymphangiectasia__lymphangiectasis  dilatation of a lymph vessel
     subtype:  alveolar_ectasia  abnormal enlargement of the air sacs in the lungs
  subtype:  varicocele  dilatation of the veins associated with the spermatic cord in the testes

No statement uses or specializes dilatation; click here to add one.