<unk>  (KTS) is a medical condition in which blood vessels and/or lymph vessels fail to form properly.
Klippel-Trenaunay-Weber syndrome
Prader-Willi syndrome
Cruveilhier-Baumgarten syndrome
Klippel-Feil syndrome
Bardet-Biedl syndrome
Sturge-Weber syndrome
Landau-Kleffner syndrome
Stuve-Weidemann syndrome