Incidence of HRF in patients with no recurrence
•
Eligible patients: follow-up CT scans for
≧
2 years post-VMAT SABR, and no local
recurrences
•
5 clinicians blinded to outcomes in
88 patients
(747 CT scans)
Ronden M,
under review
HRF = high risk factors
•
Most frequent HRF’s recorded by ≥ 3 clinicians on ≥ 1 follow-up scan were
Enlarging Opacity (64.8%), Enlarging Opacity after 12 mo (50.0%) and
sequential enlargement (13.6%)
•
56 patients
developed enlarging opacity (EO) in year 1, and 46 of them also
developed subsequent EO (EO12).
•
≥ 3 HRF’s were observed in 23% of patients