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Table 4 The comparison between the two groups of different cumulative pseudolesion volumes (≤200 mL; >200 mL) showed a statistically significant difference in the D90 (α/β = 2).

From: Radiobiological restrictions and tolerance doses of repeated single-fraction hdr-irradiation of intersecting small liver volumes for recurrent hepatic metastases

Critical irradiation volume D90 (α/β = 2)
Cum. Pseudolesion ≤200 mL (n = 5) 30.1 Gy
Cum. Pseudolesion >200 mL (n = 15) 19.1 Gy
t-test p = 0.01
  1. The statistically significant level was set at p-value ≤ 0.05.