| umls-concept:C0205618 | skos:definition | NCI: A term used to describe cancer cells that divide rapidly and have little or no resemblance to normal cells.,NCI: A term used to describe cells or tissues that do not have specialized ("mature") structures or functions. Undifferentiated cancer cells often grow and spread quickly.,NCI: Describes tumor cells that generally have lost all of the appearance of normal cells. They tend to grow and spread quickly and aggressively. | lld:umls |
