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Hazard ratios and confidence intervals for all patients and for patients with known ER status of the primary tumour: Disease-free survival (DFS, A) and overall survival (OS, B) for all 162 patients together and according to the ER status of the isolated locoregional recurrence (ILRR); DFS for 143 patients who had ER status available for both primary tumour and ILRR (C). The size of the boxes is proportional to the number of events. The x-axis is on a log scale.
