Table 1 Demographics of multiple courses lung SBRT patients
Gender | N=63 |
Male | 29 |
Female | 34 |
Median age at tx | 72 (range 20-90) |
Histology | N=63 |
Breast cancer | 1 |
Head & neck | 5 |
Non small cell lung cancer | 40 |
Small cell lung cancer | 1 |
Melanoma | 4 |
Renal cell carcinoma | 2 |
Skin cancer | 1 |
Colon ca | 6 |
Thyroid | 1 |
Sarcoma | 2 |
Prior definitive lung external beam radiotherapy | N=63 |
Yes | 18 |
No | 45 |
Central vs peripheral lesion | N=128 |
Central | 47 |
Peripheral | 81 |
Mean tumour diameter (longest dimension) | N=128 |
1.8 cm (range 0.6 to 5.0 cm) | |
Primary v recurrent v metastatic disease | N=128 |
Primary lung tumour | 40 |
Recurrence after primary SBRT for T1N0 disease | 25 |
Metastatic lung nodules | 45 |
Recurrence after EBRT for locally advanced lung cancer | 15 |
Unknown | 3 |
Prescription dose | N=128 |
40 Gy/5# | 3 |
45 Gy/9# | 1 |
45 Gy/5# | 1 |
48 Gy/4# | 30 |
50 Gy/10# | 2 |
50 Gy/5# | 43 |
54 Gy/3# | 43 |
57.5 Gy/5# | 1 |
60 Gy/3# | 5 |
Number of sites treated per patient | N=63 |
1 | 12 |
2 | 42 |
3 | 6 |
4 | 3 |
Number of SBRT courses per patient | N=63 |
1 (synchronous; 2 sites treated at once) | 29 |
2 | 28 |
3 | 6 |
Response to treatment (based on imaging) | N=128 |
CR | 21 |
PR | 63 |
Progression | 3 |
SD | 26 |
Unknown | 16 |
Chemo given | N=63 |
Yes | 17 |
No | 46 |