Table 1 Patient, tumor and previous RT characteristics
n = 42 patients | n (%)Median (range) |
|---|---|
Age | 58 years (23-81) |
Gender | |
Male | 19 (45%) |
Female | 23 (55%) |
Performance Status | |
ECOG 0-2 | 37 (88%) |
ECOG 3-4 | 5 (12%) |
Primary Cancer Diagnosis | |
Breast | 12 (29%) |
Lung, NSCLC | 10 (24%) |
Melanoma | 9 (21%) |
Head and Neck | 5 (12%) |
Other/Unknown | 6 (14%) |
Intact Brain Metastasis | 20 (48%) |
Resection Cavity | 22 (52%) |
GTR | 11 |
STR | 11 |
Target Volume | |
GTV/Cavity Maximum Dimension | 3.9 cm (0.8-6.4 cm) |
GTV/Cavity Volume | 13.6 cc (0.2 – 57.0 cc) |
PTV Volume | 24.5 cc (0.8 – 122.0 cc) |
Previous RT and Dose to HR site | |
None | 20 (48%) |
WBRT | 5 (12%) |
37.5 Gy (30-45) | |
SRS | 5 (12%) |
18 Gy (5-21) | |
IMRT | 4 (10%) |
47.5 Gy (10-60) | |
Combination | 8 (19%) |
41.25 Gy (10 -75) | |
Time from Previous RT to HR | 13 months (0.3-32.4) |