Table 2 Patient-specific Retreatment Characteristics
From: Reirradiation to the abdomen for gastrointestinal malignancies
Patient No. | Retreatment Site | Tumor Size (cm)* | Retreatment Dose (Gy) | Retreatment Interval (months) | Retreatment DVH | Cumulative DVH |
|---|---|---|---|---|---|---|
1 | Duodenum | 7 × 7 × 5 | 30 | 42 | Kidneys V20 0%, 38%, Liver V30 0%, Max. cord dose 15 Gy |  |
2 | Stomach | 10 × 4 × 2 | 30 | 29 | Kidneys V20 0%, 0%, Liver V30 5%, Max. cord dose 20 Gy |  |
3 | Liver | 5 × 5 × 6 | 48 | 45 | Kidneys V20 0%, 0%, Liver V30 25%, Max. cord dose 3 Gy | Kidneys V20 0%, 0%, Liver V30 58%, Max. cord dose 42 Gy |
4 | Stomach | 10 × 9 × 10 | 30 | 5 | Kidneys V20 0%, 2%, Max. cord dose 12 Gy |  |
5 | Superior mesenteric | 5 × 3 × 3 | 39 | 25 | Kidneys V20 0%, 0%, Liver V30 0%, Max. cord dose 32 Gy |  |
6 | Abdominal wall | 7 × 3 × 10 | 30 | 26 | Max. cord dose 12 Gy |  |
7 | Para-aortic/caval | 4 × 3 × 3 | 39 | 28 | Kidneys V20 7%, 21%, Max. cord dose 23 Gy | Kidneys V20 22%, 32%, Max. cord dose 39 Gy |
8 | Pancreas | 8 × 6 × 5 | 34.5 | 22 | Kidneys V20 7%, 17%, Liver V30 5%, Max. cord dose 27 Gy | Kidneys V20 9%, 23%, Liver V30 22%, Max. cord dose 43 Gy |
9 | Pancreas | 6 × 6 × 6 | 39 | 83 | Kidney V20 0%, Liver V30 0%, Max. cord dose 12 Gy | Kidney V20 0%, Liver V30 12%, Max. cord dose 39 Gy |
10 | Para-aortic/caval | 9 × 10 × 17 | 30 | 36 | Max. cord dose 7 Gy |  |
11 | Para-aortic/caval | 9 × 6 × 8 | 30 | 26 | Kidneys V20 0%, 0%, Liver V30 20%, Max. cord dose 18 Gy | Kidneys V20 14%, Liver V30 72%, Max. cord dose 46 Gy |
12 | Pancreas | 6 × 4 × 6 | 24 | 12 | Kidneys V20 0%, 0%, Liver V30 0%, Max. cord dose 17 Gy | Kidneys V20 8%, 24%, Liver V30 33%, Max. cord dose 46 Gy |
13 | Para-aortic/caval | 5 × 6 × 5 | 39 | 11 | Kidneys V20 5%, 8%, Liver V30 4%, Max. cord dose 23 Gy | Kidneys V20 18%, 20%, Liver V30 42%, Max. cord dose 38 Gy |