Organ | Volume (cc) | Deviation given as cumulative absolute dose (Gy) | |||
---|---|---|---|---|---|
 |  | 3 fraction scheme | 5 fraction scheme | ||
 |  | None | Minor | None | Minor |
Spinal Cord | Any point | 18 | > 18 to 22 | 25 | > 25 to 28 |
Oesophagus | 1 | 24 | > 24 to 27 | 27 | > 27 to 28.5 |
Ipsilateral Brachial Plexus | 1 | 24 | > 24 to 26 | 27 | > 27 to 29 |
Heart | 1 | 24 | > 24 to 26 | 27 | > 27 to 29 |
Trachea and main stem bronchus | 1 | 30 | > 30 to 32 | 32 | > 32 to 35 |