DiGeorge SyndromeChromosomes, Human, Pair 22SyndromeCardiovascular AbnormalitiesT-Box Domain ProteinsAbnormalities, MultipleChromosome DeletionTruncus Arteriosus, PersistentBranchial RegionHistone ChaperonesHypocalcemiaHypoparathyroidismIn Situ Hybridization, FluorescenceHeart Defects, CongenitalImmunologic Deficiency SyndromesMonosomyThymus GlandParathyroid GlandsGene DeletionNeural CrestPhenotypeChromosome MappingTranslocation, GeneticAorta, Thoracic