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Updated: Jun 26, 2026

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A Mouse Model of Incompletely Resected Soft Tissue Sarcoma for Testing (Neo)adjuvant Therapies
Published on: July 28, 2020
Angiosarcoma in a soft tissue sarcoma cohort: real-world patterns and outcomes
Kübra Canaslan1, Özge Yetginoğlu1, Hasan Oğuz Çetinayak2
1Department of Medical Oncology, Dokuz Eylül University, İzmir, Türkiye.
Frontiers in Oncology
|June 25, 2026
Summary
Angiosarcoma is a rare cancer. This study found it often presents at an advanced stage, with poor survival outcomes even with current treatments for soft tissue sarcoma.
Area of Science:
- Oncology
- Sarcoma Research
- Vascular Neoplasms
Background:
- Angiosarcoma is a rare and aggressive vascular sarcoma.
- Limited real-world data exists on its clinical presentation and outcomes.
- It exhibits heterogeneous clinical behavior.
Purpose of the Study:
- To analyze the clinical characteristics, treatment patterns, and survival outcomes of angiosarcoma patients.
- To evaluate the real-world effectiveness of current therapies for angiosarcoma.
- To identify challenges in managing this rare sarcoma.
Main Methods:
- Retrospective review of adult soft tissue sarcoma cases at a single institution (January 2019-September 2025).
- Identification of pathologically confirmed angiosarcoma cases.
- Extraction of clinical, pathological, treatment, and survival data from electronic medical records.
- Descriptive statistics and Kaplan-Meier methods for survival analysis.
Main Results:
- Angiosarcoma accounted for 2.2% of soft tissue sarcoma cases (12/548).
- The majority (58.3%) were visceral, with a median age of 62 years.
- 75% of patients presented with metastatic or unresectable disease.
- First-line therapy (paclitaxel- or anthracycline-based) in advanced cases showed limited efficacy.
- Median overall survival was 9.5 months and median progression-free survival was 4.8 months.
Conclusions:
- Angiosarcoma is rare but often diagnosed at an advanced stage.
- Current therapies provide limited survival benefits, with poor overall survival and progression-free survival.
- Multi-center studies are needed to improve risk stratification and treatment strategies.
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