Standardization for Ki-67 Assessment in Moderately Differentiated Breast Cancer. A Retrospective Analysis of the SAKK 28/12 Study

• Zsuzsanna Varga ,

  * E-mail: zsuzsanna.varga@usz.ch

  Affiliation Institute of Surgical Pathology, University Hospital Zurich, Zurich, Switzerland

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• Estelle Cassoly,

  Affiliation Swiss Group for Clinical Cancer Research, Bern, Switzerland

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• Qiyu Li,

  Affiliation Swiss Group for Clinical Cancer Research, Bern, Switzerland

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• Christian Oehlschlegel,

  Affiliation Institute of Pathology, Cantonal Hospital St. Gallen, St. Gallen, Switzerland

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• Coya Tapia,

  Affiliation Institute of Pathology, University Bern, Bern, Switzerland

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• Hans Anton Lehr,

  Affiliation Pathology Institute Friedrichshafen, Friedrichshafen, Germany

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• Dirk Klingbiel,

  Affiliation Swiss Group for Clinical Cancer Research, Bern, Switzerland

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• Beat Thürlimann,

  Affiliations Swiss Group for Clinical Cancer Research, Bern, Switzerland, Breast Center, Cantonal Hospital St. Gallen, St. Gallen, Switzerland

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• Thomas Ruhstaller

  Affiliation Breast Center, Cantonal Hospital St. Gallen, St. Gallen, Switzerland

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