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Percentage of patients with different numbers of non-sentinel lymph nodes (NSLNs) removed at sentinel lymph node biopsy, separated into 1-day (grey, n = 270) and 2-day (black, n = 192) protocols. There was a trend for a higher proportion of patients having one or more NSLN removed in the 2-day protocol (1-day: 52/270 (19 %); 2-day: 50/192 (26 %), p = 0.07). Bar chart is shown as percentage of patients, with absolute numbers given above individual bars
