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Squamous Cell Carcinoma of Unknown Primary · CancerIndex

Cancers
Neoplasm
Neoplasm by Special Category
Malignant Neoplasm
Secondary Malignant Neoplasm
Malignant Neoplasm of Unknown Primary
Carcinoma of Unknown Primary
Squamous Cell Carcinoma of Unknown Primary

Histology

Squamous Cell Carcinoma of Unknown Primary

CI-CAN-00006833Explore in graph →

7 active trials

NCIt: C8099

Overview
Statistics
Survival
Genomics
Variants & evidence
Drugs
Trials14
Research
Rankings
Sources & provenance

Data completeness2 / 7 dimensions

Epidemiology (no data yet)
Survival (no data yet)
Trials (data present)
Literature (data present)
Genomics (no data yet)
Evidence (no data yet)
Therapies (no data yet)

Computed from entity_counters.completeness · refreshed after each connector run

Definition

What this entity is

A squamous cell carcinoma which has metastasized to another anatomic site and the original site of growth has not been identified.

Definition text as published by ncit-evsProvenance

Source: NCI Thesaurus (NCIt)
Dataset: NCI Thesaurus
Version: 26.08e
Retrieved: Sep 8, 2026
Layer: raw (as published)
Evidence: expert curation
License: CC BY 4.0
Run: ING-NCITEVS-20260908-000001

Open at source Curated

Data updated 22 days agoSource updated 26.08e

Taxonomy

Position in the hierarchies

Several hierarchies coexist; edges are listed per hierarchy type with their source.

Parents

ncit

Carcinoma of Unknown PrimaryHistology

Children (1)

ncit

Neck Squamous Cell Carcinoma of Unknown Primary2 sub

3 descendants in total; counters on this page aggregate over all of them.

Anatomy

Anatomical sites

Data not yet available

No anatomical site linked yet.

Record

Identity

CancerIndex ID: CI-CAN-00006833
Entity type: Histology
Malignant: Yes
Solid / hematologic: Solid tumor
Pediatric relevant: Not flagged
Rare cancer: Unknown (no incidence data yet)
Hierarchy depth: 6
Classification version: 26.08e
Semantic types: Neoplastic Process
Status: Active
Record updated: 2026-09-08

Coverage

Data completeness

Trials (all / active): 14 / 7

Publications (all / 5y)

165 / 83

Evidence items

0

Genes / variants

0 / 0

Drugs (any / approved)

0 / 0

Genomic cohorts

0

Epidemiology / survival obs.

0 / 0

Data updated 18 hours agoSource updated unknowncounters aggregate over descendants

Names

Synonyms (5)

Epidermoid Carcinoma of Unknown Primary Originsynonym · NCIt
Squamous Cell Cancer of Unknown Primary Originsynonym · NCIt
Squamous Cell Carcinoma of Occult Primary Sitesynonym · NCIt
Squamous Cell Carcinoma of Unknown Primary Originsynonym · NCIt
Squamous Cell Carcinoma of Unknown Primary Sitesynonym · NCIt

CancerIndex is a research and information platform. It does not diagnose and does not recommend treatment.

Key figures

At a glance

Each figure carries its unit, period and source; ranks link to "Why this rank?".

No registry-level ancestor: burden figures are published for the mutually exclusive top-level site groups only, and this entity does not descend from one. Global figures (IARC / GLOBOCAN) stay under license review and SEER awaits credentials.

Active trials7countcurrent registry status · entity + descendantsclinicaltrialsComputedrank #676 of 1,654 (World · both sexes · all ages · latest · all malignant entities)
Recruiting trials4countstatus RECRUITING · entity + descendantsclinicaltrialsComputedrank #633 of 1,277 (World · both sexes · all ages · latest · all malignant entities)
Curated evidence items0countaccepted CIViC items · entity + descendantscivicComputednot in a current ranking snapshot
Publications, last 12 months25countPubMed records · stored query · 12-month windowpubmedComputedrank #661 of 2,294 (World · both sexes · all ages · latest · all malignant entities)
Genomic cohorts0countopen GDC projects · entity + descendantsgdcComputednot in a current ranking snapshot

Data updated 18 hours agoSource updated unknownregistry figures: none · counters aggregate over descendants