Study Comparing Negative Pressure Dressing vs Conventional in Patients With Resected STS After Radiotherapy

Who May Qualify: - Age ≥ 18 years at the day of consenting to the study - Patients with primary STS of the limb or trunk treated with preoperative external radiation therapy (decided in multidisciplinary board) - Intent to cure resection required for STS planned between 3 to 8 weeks after the end of RT - Planned primary wound closure, including local or distant jambeau - Ability to understand and willingness for follow-up visits - Covered by a medical insurance - Signed and dated willing to sign a consent form document indicating that the patient has been informed of all aspects of the trial prior to enrolment. Who Should NOT Join This Trial: - Known hypersensibility to silver - Patients with a diagnosis of Ewing's sarcoma, chondrosarcoma, osteosarcoma, or desmoid tumor. Nota bene: Only patients with bone tumors are affected; patients with soft tissue tumors can be included in the study. - Patient in relapse setting; - Patient requiring a surgical revision after R1 or R2 resection; - Planned blade drainage; - Planned no wound-closure and skin graft after resection - Patient requiring authorship or curators or patient deprived of liberty. Always talk to your doctor about whether this trial is right for you.