<prompt> Ectopic rest of normal tissue is known as-ChoristomaHamaomaPseudotumorLymphoma  <response>: Choristomas, forms of heterotopia, are closely related benign tumors, found in abnormal locations. The two can be differentiated as follows: a hamaoma is an excess of normal tissue in a normal situation e.g. a bihmark on the skin, while a choristoma is an excess of tissue in an abnormal situation e.g. pancreatic tissue in the duodenum. 