Table 4.
Study Cohort | No Local Recurrence N = 181 | Local Recurrence N = 13 |
---|---|---|
Suitable for IORT alone (n = 140) | ||
No recommendation for WBXRT | 126 | 8 |
WBXRT recommended but not completed | 1 | 1 |
WBXRT completed | 4 | 0 |
Met criteria for WBXRT (n = 54)* | ||
TARGIT-A | 32 | 2 |
TARGIT-MCC | 18 | 2 |
*Patients meeting criteria for WBXRT (n = 54) | No Local Recurrence N = 50 | Local Recurrence N = 4 |
Met criteria and WBXRT recommended (n = 24) | ||
TARGIT-A | 17 | 0 |
TARGIT-MCC | 7 | 0 |
Met criteria and WBXRT not recommended (n = 30) | ||
TARGIT-A | 15 | 2 |
TARGIT-MCC | 11 | 2 |
Met criteria and WBXRT received (n = 17) | ||
TARGIT-A | 13 | 0 |
TARGIT-MCC | 4 | 0 |
IORT=Intraoperative radiation therapy; WBXRT = whole breast radiation therapy; TARGIT-A = criteria for selective whole breast radiation therapy in TARGIT-A trial; TARGIT-MCC = extended criteria for selective whole breast radiation therapy in current study, inclusive of all TARGIT-A criteria.