Table 1 Patient characteristics
Characteristics | Â |
|---|---|
 Patients | 28 |
 Sex, Male/Female | 20/8 |
 Median age (range, yrs) | 73 (60,88) |
 Tumor position, peripheral/central | 19/9 |
 Median PTV size (range, cc) |  |
  Peripheral | 45.6 (15.3, 107.3) |
  Central | 62.3 (19.0,144.9) |