Table 1 Patient characteristics
Factors | Â | Â |
|---|---|---|
Sex | Male | 18 |
| Â | Female | 2 |
Age (years) | Median (range) | 62 (46–71) |
Location (lobe) | Right upper | 10 |
| Â | Right middle | 1 |
| Â | Right lower | 5 |
| Â | Left upper | 3 |
| Â | Left lower | 1 |
Clinical stage | IIIA | 8 |
| Â | IIIB | 12 |
Radiotherapy sequence | CFRT before SBRT boost | 3 |
| Â | CFRT after SBRT boost | 17 |
PTVPT volume (cc) | Median (range) | 30.7 (10.9–100.1) |
PTVLN volume (cc) | Median (range) | 199.5 (24.8–452.3) |
Min distance(PT to LN) (cm) | Median (range) | 4.0 (1.2–7.1) |
Overlapping slices thickness(PT and LN) (cm) | Median (range) | 1.9 (-4.5–6.1) |
Volume ratio(LN to total lung) | Median (range) | 0.07 (0.01–0.14) |
Volume ratio(LN to ipsilateral lung) | Median (range) | 0.12 (0.02–0.30) |
Min distance(PT to ESO) (cm) | Median (range) | 5.83 (0.89–10.47) |
Volume ratio of overlapping structure(ESO and LN) to ESO | Median (range) | 0.32 (0.00–0.87) |
Min distance(PT to heart) (cm) | Median (range) | 4.27 (1.11–7.58) |
Volume ratio of overlapping structure(heart and LN) to heart | Median (range) | 0.02 (0.00–0.05) |
Volume ratio of overlapping structure(heart and LN) to PTVLN | Median (range) | 0.07 (0.01–0.24) |