Table 2.
DVH statistics of targets
| Average (range)
|
|||||
|---|---|---|---|---|---|
| PGTVnx | GTVnd | PTVnd | PTV1 | PTV2 | |
|
| |||||
| Volume (cm3) | 60.1 (18.2–156.4) | 20.5 (6.5–55.9) | 63.4 (14.7–144.3) | 320.6 (212.6–598.7) | 172.4 (78.3–305.7) |
| Minimum dose (Gy) | 62.1 (60.2–63.5) | 61.8 (60.7–63.6) | 50.4 (45.8–57.6) | 48.7 (45.3–52.8) | 40.7 (37.1–44.7) |
| Maximum dose (Gy) | 72.6 (71.5–73.2) | 70.8 (69.2–73.1) | 66.8 (63.7–69.2) | 71.3 (69.8–73.6) | 70.2 (67.8–73.4) |
| Mean dose (Gy) | 70.2 (68.2–72.2) | 65.2 (63.4–68.4) | 63.9 (61.7–68.7) | 67.2 (64.5–69.6) | 60.4 (58.4–62.6) |
Abbreviations: DVH, dose–volume histogram; GTV, gross tumor volume; PTV, planning target volume; PTVnd, planning target volume of the metastatic nodes.