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Table 3 Tumor recurrences in relation to initial PTV

From: Radiation field size and dose determine oncologic outcome in esophageal cancer

Recurrence Pre-CRT group (n = 25) Def-CRT group (n = 49) p value
Infield Outfield Borderline Infield Outfield Borderline
LRR only 0 0 1 7 1 1 0.15
Distant only 0 4 0 0 5 0 0.25
LRR plus distant 0 3 0 3 1 0 0.98
Total 8 18 0.69
  1. LRR locoregional recurrence, CRT chemoradiotherapy