<unk>  is a swelling, similar to hives, but the swelling is beneath the skin rather than on the surface. Hives are often called welts. They are a surface swelling. It is also possible to have<unk>  without hives.
Angioedema
Lymphedema
Myxedema
Scleromyxedema
Cyclical edema syndrome
Lymphangitis
Ocular hypertension
Clubbing