Table 1 Parameters defined for 8paVMAT and 4paVMAT plans
From: Split-VMAT technique to control the deep inspiration breath hold time for breast cancer radiotherapy
Monaco TPS parameters | 8paVMAT | 4paVMAT |
|---|---|---|
Objective | ||
Delivery time per arc (s) | 20 | 30 |
Parameters | ||
number of arcs | 8 | 4 |
number of CPs per arc | 13–16 | 80–120 |
Arc length | 30° | 50° |
Limits of medial arcs | 300°–20° | 300°–20° |
Limits of lateral arcs | 80°–180° | 90°–180° |
Angle increment | 30° | 20° |