Assertion: tumor marker | /r/HasProperty | identified
Facets:
value: according to the national cancer institute
type: OTHER
value: as of january
type: TEMPORAL
Source sentences:
text: Not every cancer has a tumor marker that has been identified as associated with it.
text: As of January 2015, more than 20 tumor markers have been identified, according to the National Cancer Institute.
text: Once the significant prognostic markers have been identified, they should be routinely followed in conjunction with radiographic test, symptom history and physical exam to provide the most comprehensive approach to clinical management.