Research Article

Improving Long-Term Outcomes for Patients with Extra-Abdominal Soft Tissue Sarcoma Regionalization to High-Volume Centers, Improved Compliance with Guidelines or Both?

Table 1

Definition of compliance based on NCCN guidelines for radiation therapy in the treatment of extra-abdominal STS.

Compliant groupNoncompliant group

Stage I
 T1a-1b and margins R0No radiationYes radiation (overtreatment)
 T1a-1b and margins R1 and R2Yes radiationNo radiation (undertreatment)
 T2a-2bYes radiationNo radiation (undertreatment)
Stage II and III
 All patientsYes radiationNo radiation (undertreatment)