umbilical hernia: protrusion of the intestine and omentum through a hernia in the abdominal wall near the navel; usually self correcting after birth
hernia: rupture in smooth muscle tissue through which a bodily structure protrudes
scalenus syndrome: discomfort and vascular symptoms and loss of sensation in a shoulder and arm; caused by a scalene muscle compressing the subclavian artery and part of the brachial plexus