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. 2016 Jun 22;353:i3069. doi: 10.1136/bmj.i3069

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Fig 3 Percentage of cases misclassified based on whether initial pathologist indicated case was borderline, difficult, or would have obtained a second opinion (either desired or because of policy at his or her laboratory). Results are shown for single interpretations and after a second opinion strategy is applied to these cases. (A) Indicated the case was borderline between two diagnoses (26% of 6900 single interpretations) compared with not borderline (74% of 6900 interpretations). (B) Indicated case was difficult (30% of 6900 interpretations) compared with not difficult (70% of 6900 interpretations). (C) Policy or desired second opinion (70% of 6900 interpretations) compared with no policy and no desire for a second opinion (30% of 6900 interpretations)