A<unk>  is a congenital defect in which there is an abnormal formation of the aorta and/or its surrounding blood vessels. The trachea and esophagus are completely encircled and sometimes compressed by a "ring" formed by these vessels, which can lead to breathing and digestive difficulties.
Vascular ring
Venous malformation
Vascular anomalies
Lymphatic malformation
Persistent cloaca
Vascular malformation
Omphalocele
Encephalocele