Official websites use .gov
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.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
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) or https:// means you've safely
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Dose limitations between every two shells
| Dose limitations (Gy) | |||||||
|---|---|---|---|---|---|---|---|
| PTV margin to 1st shell | 1st shell to 2nd shell | 2nd shell to 3th shell | 3th shell to 4th shell | 4th shell to 5th shell | 5th shell to 6th shell | 6th shell to 7th shell | |
| 3-shell group | 26 | 17 | 9 | – | – | – | – |
| 5-shell group | 32 | 26 | 17 | 9 | 6 | – | – |
| 7-shell group | 32 | 26 | 21 | 17 | 9 | 6 | 5 |
