TABLE 1.
Patient and tumor characteristics of 102 patients with 121 tumors.
| Characteristic | Value |
|---|---|
| Age, years | |
| Median (range) | 67 (38–85) |
| PS, number of patients | |
| 0 | 81 |
| 1 | 19 |
| 2 | 2 |
| Sex, number of patients | |
| Male | 43 |
| Female | 59 |
| Origin of the cancer, number of patients | |
| Colorectal cancer | 60 |
| Cholangiocarcinoma | 15 |
| Pancreatic cancer | 11 |
| Other cancer | 16 |
| Child–Pugh class, number of patients | |
| A | 95 |
| B | 3 |
| Not applicable | 4 |
| Previous history of liver resection, number of patients | |
| Presence | 34 |
| Absence | 58 |
| Not applicable | 10 |
| Tumor number, number of patients | |
| 1 | 84 |
| 2 | 17 |
| 3 | 1 |
| Surgical indication, number of patients | |
| Not indicated by disease status | 55 |
| Not indicated by age or complication | 18 |
| Refused | 29 |
| Tumor size, mm | |
| Median (range) | 27 (7–90) |
| Dose fraction of C‐ion RT, number of tumors | |
| 58 Gy (RBE) in 1 fr. | 10 |
| 60 Gy (RBE) in 4 fr. | 68 |
| 60 Gy (RBE) in 6 fr. | 1 |
| 60 Gy (RBE) in 8 fr. | 1 |
| 64 Gy (RBE) in 8 fr. | 7 |
| 68 Gy (RBE) in 8 fr. | 2 |
| 60 Gy (RBE) in 12 fr. | 16 |
| 64.8 Gy (RBE) in 12 fr. | 3 |
| 69.6 Gy (RBE) in 12 fr. | 1 |
| 68 Gy (RBE) in 16 fr. | 4 |
| 60 Gy (RBE) in 20 fr. | 1 |
| 76 Gy (RBE) in 20 fr. | 7 |
Abbreviations: C‐ion RT, carbon‐ion radiotherapy; fr., fractions; PS, performance status; RBE, relative biological effectiveness.