Assertion: tumor marker | /r/HasProperty | specific
Facets:
value: for cancer
type: OTHER
value: rarely
type: DEGREE
Source sentences:
text: Some tumor markers are specific for a particular type of cancer, while others are seen in several different types of cancer.
text: Though tumor markers are rarely specific enough to be used alone to diagnose cancer , they do have a number of clinical uses.
text: However, no tumor marker is specific for cancer and most are found in low levels in healthy persons, or can be associated with non-neoplastic diseases as well as cancer.