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Retroperitoneal Leiomyosarcoma · CancerIndex

Cancers
Neoplasm
Neoplasm by Special Category
Malignant Neoplasm
Sarcoma
Soft Tissue Sarcoma
Retroperitoneal Sarcoma
Retroperitoneal Leiomyosarcoma

Subtype

Retroperitoneal Leiomyosarcoma

CI-CAN-00006596Explore in graph →

NCIt: C27904

Overview
Statistics
Survival
Genomics
Variants & evidence
Drugs
Trials1
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

An aggressive malignant smooth muscle neoplasm, arising from the retroperitoneum. It is characterized by a proliferation of neoplastic spindle cells.

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

Leiomyosarcoma of Deep Soft TissueSubtype
Retroperitoneal SarcomaSubtype

Children (0)

Leaf node — no children.

Anatomy

Anatomical sites

Connective and Soft TissueC3810
Peritoneal and RetroperitonealC7337

Record

Identity

CancerIndex ID: CI-CAN-00006596
Entity type: Subtype
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): 1 / 0

Publications (all / 5y)

209 / 63

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 (0)

Only the preferred name is recorded so far.

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 trials0countcurrent registry status · entity + descendantsclinicaltrialsComputednot in a current ranking snapshot
Recruiting trials0countstatus RECRUITING · entity + descendantsclinicaltrialsComputednot in a current ranking snapshot
Curated evidence items0countaccepted CIViC items · entity + descendantscivicComputednot in a current ranking snapshot
Publications, last 12 months12countPubMed records · stored query · 12-month windowpubmedComputedrank #914 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