C	C173072	CTDC Property Terminology	C164813	Genetic Variation Identifier	A unique identifier maintained by an authoritative database that represents a genetic variation.	variant_id	external variant id || external_variant_id || variant id			
C	C173073	CTDC Value Terminology	C35571	Progressive Disease	A clinical, pathologic, and/or molecular finding indicating that the course of a disease is worsening in terms of extent or severity.	Progressive disease