Most<unk> s are not clinically significant, i.e. they do not have an adverse effect on placental function. The significance of a<unk>  is determined by its size and whether it is found together with other<unk> s.<unk> s are significant if multiple or "large", i.e. greater than 4 cm or 5 cm.
Chorangioma
Chorioangioma
Spider angioma
Lymphangioma
Lymphohemangioma
Tufted angioma
Cherry angioma
Hemangioma