Preferred Label : Occult Stage;
NCIt synonyms : OC;
NCIt related terms : Occult;
NCIt definition : A stage term that refers to a cancer in which the primary site is unknown (not detectable
by clinical or radiologic examination). The definition of occult stage depends on
the particular type of cancer that it refers to; for example, for breast cancer, occult
stage is defined as cancer presenting with axillary lymph node metastasis without
a primary in the breast being found; for non-small cell lung carcinoma, occult stage
is defined as cancer detectable by sputum cytology only and the primary tumor is undetectable
radiographically or during bronchoscopy.;
NCI Metathesaurus CUI : CL550743;
Origin ID : C141461;
UMLS CUI : C4554038;
Automatic exact mappings (from CISMeF team)
- Semantic type(s)
