Inclusion criteria | Exclusion criteria |
---|---|
• Written informed consent | • Missing written informed consent |
• Histologically confirmed, primary or locally recurrent soft tissue sarcoma of the retroperitoneal space | • Missing histological conformation of soft tissue sarcoma |
• Judged as at least marginally resectable | • Desmoid Tumors (aggressive fibromatosis), Gastrointestinal Stroma Tumors (GIST) |
• Absence of distant metastases | • Judged as gross incomplete or not resectable |
• Tumor size ≥ 5 cm | • Incomplete staging |
• Presence of distant metastases | |
• Prior radiation therapy to the abdominal region | |
• Participation in another clinical interventional study | |
• Inflammatory bowel disease |