Table 1 Mean lung volume, dose, V15, and V20 for each lung in the first and second radiotherapy courses, with 2 weeks interval between radiotherapy courses.
| Â | First course (0-36 Gy) | Second course (36-54 Gy) | ||
|---|---|---|---|---|
| Â | Right lung volume, 1167 ml | Left lung volume, 1244 ml | Right lung volume, 1385 ml | Left lung volume, 1490 ml |
Mean lung dose (Gy) | 10.77 Gy | 4.74 Gy | 4.63 Gy | 1.96 Gy |
V15* (%) | 27% | 2% | 13% | 0% |
V20* (%) | 22% | 0% | 8% | 0% |