| No. of patients | % |
---|---|---|
Modality | Â | Â |
   RT only | 14 | 50 |
   RT + CT | 14 | 50 |
RT machines * | Â | Â |
   Van de Graff | 8 | 32 |
   Linear accelerator 4 MV | 1 | 4 |
   Linear accelerator 6 MV | 5 | 16 |
   Linear accelerator 10 MV | 12 | 48 |
Dose to mediastinum (Gy) ¶ |  |  |
   None ‡ | 1 | 3.7 |
   20 –40 | 14 | 51.8 |
   ≥40 | 12 | 44.5 |
RT field | Â | Â |
   Standard mantle | 9 | 28.6 |
   Modified mantle | 2 | 10.7 |
   TLI/STLI§ | 16 | 57.2 |
   IF | 1 | 3.5 |