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Caracteristics of four patients with rapid tumor progression after RFA
| Gender, age, etiology | Tumor size (cm) | Location | Differentiation | |
| 1. Male, 66 yr, alcohol | 3.5 | V segment | Near right portal trunka | Poor |
| 2.Male, 75 yr, HCV | 3.8 | VI segment | Near segmental portal brancha | Poor |
| 3. Male, 59 yr, HBV, HCV | 4.5 | VII segment | Near cava vein | Poor |
| 3.Male, 62 yr, HBV | 4.5 | IV segment | Near segmental portal brancha | Moderate |
: ≤ 1 cm from main or segmental portal branches.
