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The rate of overall recurrence (A) and locoregional recurrence (B) of pathological node-negative, pathological node-positive, non-hot node-negative and non-hot node-positive groups after a median follow up of 41.80 months. Abbreviations used: pN-: pathological node-negative; pN+: pathological node-positive; non-hot node-: non-hot node-negative; non-hot node+: non-hot node-positive; N/S: non-significant.
