Radiation Therapy for Treatment of Soft Tissue Sarcoma in Adults: Executive Summary of an ASTRO Clinical Practice Guideline

Kilian E. Salerno, Kaled M. Alektiar, Elizabeth H. Baldini, Manpreet Bedi, Andrew J. Bishop, Lisa Bradfield, Peter Chung, Thomas F. DeLaney, Andrew Folpe, John M. Kane, X. Allen Li, Ivy Petersen, John Powell, Michael Stolten, Steven Thorpe, Jonathan C. Trent, Maria Voermans, B. Ashleigh Guadagnolo

Research output: Contribution to journalArticlepeer-review


Purpose: This guideline provides evidence-based recommendations addressing the indications for radiation therapy (RT), sequencing of local therapies, and appropriate dose and planning techniques for management of primary, operable, localized, soft tissue sarcoma (STS) in adults. Methods: The American Society for Radiation Oncology convened a task force to address 5 key questions focused on the use of RT for management of STS. These questions included indications for RT for STS of the extremity and superficial trunk; considerations for sequencing of RT with respect to surgery, dose of RT, appropriate treatment volumes and techniques; and the role of RT in management of retroperitoneal sarcoma. Recommendations were based on a systematic literature review and created using a predefined consensus-building methodology and system for grading evidence quality and recommendation strength. Results: Multidisciplinary evaluation and decision making are recommended for all cases of STS. RT is recommended for patients in whom there is increased risk of local recurrence of resected STS, particularly if close or microscopically positive margins are anticipated or have occurred. When RT is indicated, preoperative RT is strongly recommended over postoperative RT. Postoperative RT is conditionally recommended in specific clinical circumstances (eg, uncontrolled pain or bleeding) or when the risk of wound complications outweighs that of late toxicity from RT. Routine use of RT in addition to oncologic resection for retroperitoneal sarcoma is conditionally not recommended. When RT is used for retroperitoneal sarcoma, preoperative RT is recommended, whereas postoperative RT is not recommended. Conclusions: Based on currently published data, the American Society for Radiation Oncology task force has proposed evidence-based recommendations regarding the use of RT for STS in adults. Future studies will ascertain whether alterations in dosing and sequencing may optimize outcomes and quality of life.

Original languageEnglish (US)
Pages (from-to)339-351
Number of pages13
JournalPractical Radiation Oncology
Issue number5
StatePublished - Sep 1 2021

ASJC Scopus subject areas

  • Oncology
  • Radiology Nuclear Medicine and imaging


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