Concept information
Preferred term
childhood cancer of unknown primary site
Definition
- UNKNOWN PRIMARY SITE cancers are those that have spread to other areas of the body but from which the primary site of origin is unknown. Around 2–4 percent of all tumors have an origin that remains undiscovered, affecting approximately 25,000 people in the United States a year. [Source: Encyclopedia of Cancer and Society; Unknown Primary Site, Cancer of, Childhood]
Broader concept
Belongs to group
URI
http://data.loterre.fr/ark:/67375/N9J-BN9WMWCG-1
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