Table 1.
Patient and treatment characteristics.
| Patient no. | Tumor site | Prescription, Gy/fraction | Total dose, Gy | Technique | CT slice thickness, mm |
|---|---|---|---|---|---|
| 1 | Gastrointestinal tract (stomach) | 1.8/25 | 45 | Step and shoot | 3 |
| 2 | Gastrointestinal tract (liver) | 4.5/15 | 67.5 | Step and shoot | 3 |
| 3 | Gastrointestinal tract (liver) | 12.5/4 | 50 | Step and shoot | 3 |
| 4 | Genitourinary tract (prostate and seminal vesicle) | 2.0/39 | 78 | VMAT | 3 |
| 5 | Genitourinary tract (prostate) | 2.0/39 | 78 | VMAT | 3 |
| 6 | Thoracic area (lung) | 12.5/4 | 50 | Step and shoot | 2.5 |
| 7 | Thoracic area (lung) | 2.4/30 | 72 | Step and shoot | 2.5 |
| 8 | Head and neck (nasopharynx) | 2.12/33 | 70 | VMAT | 3 |
| 9 | Head and neck (right neck) | 9.0/5, QOD | 45 | VMAT | 1 |
| 10 | Head and neck (left occiput) | 8.5/5, QOD | 42.5 | VMAT | 1 |
| 11 | Spine (T9-T10) | 4.0/10 | 40 | Step and shoot | 1 |
| 12 | Spine (T12) | 24/1 | 24 | Step and shoot | 1 |
| 13 | Spine (L3) | 24/1 | 24 | Step and shoot | 1 |
| 14 | Spine (T11) | 24/1 | 24 | Step and shoot | 1 |
Abbreviations: CT, computed tomography; VMAT, volumetric modulated arc therapy; QOD, every other day.