Table 2.
Tumor and radiation therapy characteristics
| Number (%) or median (Q1-Q3) | |
|---|---|
| Median tumor size, cm | 5 (3-8) |
| <5 cm | 19 (51%) |
| 5-10 cm | 14 (38%) |
| >10 cm | 4 (11%) |
| Vascular thrombosis | |
| Present | 14 (38%) |
| Absent | 23 (62%) |
| Previous therapy to target | |
| Yes | 18 (49%) |
| No | 19 (51%) |
| Most recent previous target therapy (n = 18) | |
| Ablation | 3 (17%) |
| External beam (photon) radiation therapy | 1 (6%) |
| TACE | 6 (33%) |
| TAE bland | 3 (17%) |
| TARE | 1 (6%) |
| Surgery | 1 (6%) |
| Systemic therapy | 3 (17%) |
| Any prior therapy | |
| Yes | 24 (65%) |
| No | 13 (35%) |
| Dose fractionation | |
| 67.5 Gy (RBE) in 15 fx | 15 (41%) |
| 58.5 Gy (RBE) in 15 fx | 13 (35%) |
| 52.5 Gy (RBE) in 15 fx | 2 (5%) |
| 50 Gy (RBE) in 5 fx | 6 (16%) |
| 37.5 Gy (RBE) in 5 fx | 1 (3%) |
Abbreviations: RBE = relative biological effectiveness; TACE = transarterial chemoembolization; TAE = transarterial embolization; TARE = transarterial radioembolization.