Clinical manifestations of Williams syndrome are evident from birth through adulthood. However, features that may be detected antenatally include the characteristic cardiovascular lesions. In addition, fetal ultrasonography of neonates with Williams syndrome has revealed multicystic dysplastic kidney in addition to the congenital heart lesions.
Exile is defined as being away or restricted from coming to a certain place, usually as a result of a punishment. An example of exile is when a person is barred from coming back to his country because of crimes committed.
Terms such as diaspora and refugee describe group exile, both voluntary and forced, and government in exile describes a government of a country that has been forced to relocate and argue its legitimacy from outside that country. Exile can also be a self-imposed departure from one's homeland.