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CancerIndex

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Undifferentiated Sarcoma · CancerIndex

Cancers
Neoplasm
Neoplasm by Special Category
Malignant Neoplasm
Sarcoma
Soft Tissue Sarcoma
Undifferentiated Sarcoma

Subtype

Undifferentiated Sarcoma

CI-CAN-00004170USARC · USTSExplore in graph →

23 active trials

NCIt: C121793

Overview
Statistics
Survival
Genomics
Variants & evidence
Drugs
Trials58
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 term that refers to a heterogeneous group of uncommon soft tissue sarcomas that do not show an identifiable line of differentiation using currently available technologies. This is a diagnosis of exclusion and includes undifferentiated pleomorphic sarcoma (previously known as malignant fibrous histiocytoma), undifferentiated spindle cell sarcoma, undifferentiated round cell sarcoma, and undifferentiated epithelioid sarcoma.

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

Soft Tissue SarcomaSubtype

Children (5)

ncit

Undifferentiated Pleomorphic Sarcoma12 sub
Undifferentiated Round Cell Sarcoma
Undifferentiated Sarcoma, Not Otherwise Specified
Undifferentiated Sarcoma with Epithelioid Features
Undifferentiated Spindle Cell Sarcoma

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

Anatomy

Anatomical sites

Connective and Soft TissueC3810

Record

Identity

CancerIndex ID: CI-CAN-00004170
Entity type: Subtype
Malignant: Yes
Solid / hematologic: Solid tumor
Pediatric relevant: Not flagged
Rare cancer: Unknown (no incidence data yet)
Hierarchy depth: 5
Classification version: 26.08e
Semantic types: Neoplastic Process
Status: Active
Record updated: 2026-09-08

Coverage

Data completeness

Trials (all / active): 58 / 23

Publications (all / 5y)

1,086 / 296

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)

Unclassified Sarcomasynonym · NCIt
Undifferentiated Soft Tissue Sarcomasynonym · NCIt
Undifferentiated/Unclassified Sarcomasynonym · NCIt
Undifferentiated/Unclassified Soft Tissue Sarcomasynonym · NCIt
Usarsynonym · 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 trials23countcurrent registry status · entity + descendantsclinicaltrialsComputedrank #419 of 1,654 (World · both sexes · all ages · latest · all malignant entities)
Recruiting trials13countstatus RECRUITING · entity + descendantsclinicaltrialsComputedrank #388 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 months56countPubMed records · stored query · 12-month windowpubmedComputedrank #425 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