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Kaplan–Meier survival curves according to the methods for the assessment of PR. (A) Mean percentage of remaining cancer cells according to the strict method of Blazer et al, (2008); (B) Mean TRG; (C) Median percentage of remaining cancer cells; (D) Median TRG; (E) Percentage of remaining cancer cells of the ‘worst' nodule; (F) TRG of the ‘worst' nodule according to the strict method of Rubbia-Brandt et al, (2007); (G) New proposed method 
