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Natasha C. Townsend, Karen Ruth, Tahseen Al-Saleem, Eric M. Horwitz, Mark Sobczak, Robert G. Uzzo, Rosalia Viterbo, and Mark K. Buyyounouski

This study attempted to determine whether the Gleason score (GS) assigned at a comprehensive cancer center better predicts risk of biochemical failure (BF) after prostate radiotherapy compared with the GS of the referring institution (RI). Between 1994 and 2007, 1649 men received radiotherapy for prostate cancer at Fox Chase Cancer Center (FCCC). The Cox proportional hazard regression was used for inferences about the relationship of time to BF and GS. Harrell’s C-index (HCI) was used to assess concordance in the Cox regression between predicted and observed events. The discordance rate was 26% for any change in either major or minor Gleason pattern. In the RI GS 2 through 6 group, 79 (8%) patients were upgraded to GS 7. Twenty percent of patients with RI GS 7 were downgraded and 2% were upgraded. In the RI GS 8 through 9 group, 58% were downgraded to GS 6 (12%) or GS 7 (88%). The FCCC GS altered the NCCN risk group assignment in 144 men (9%): 92 (64%) men to lower risk and 52 (36%) to higher risk. FCCC GS was a stronger predictor of BF; the hazard ratios for GS 2 through 6 (ref), 3+4, 4+3, and 8 through 9 were 1.00 (ref), 1.82, 4.14, and 2.92, respectively. In contrast, the hazard ratios for the RI GS were 1.00 (ref), 1.53, 2.44, and 1.76, respectively. FCCC GS (HCI=0.76) had improved performance compared with RI GS (HCI=0.74). Changes in GS were common and the GS assigned by a comprehensive cancer center provided better BF risk stratification and prognostication for patients. Changes in GS may impact treatment recommendations in 9% to 26% of patients.

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William J. Gradishar, Benjamin O. Anderson, Ron Balassanian, Sarah L. Blair, Harold J. Burstein, Amy Cyr, Anthony D. Elias, William B. Farrar, Andres Forero, Sharon H. Giordano, Matthew P. Goetz, Lori J. Goldstein, Steven J. Isakoff, Janice Lyons, P. Kelly Marcom, Ingrid A. Mayer, Beryl McCormick, Meena S. Moran, Ruth M. O'Regan, Sameer A. Patel, Lori J. Pierce, Elizabeth C. Reed, Kilian E. Salerno, Lee S. Schwartzberg, Amy Sitapati, Karen Lisa Smith, Mary Lou Smith, Hatem Soliman, George Somlo, Melinda L. Telli, John H. Ward, Rashmi Kumar, and Dorothy A. Shead

Ductal carcinoma in situ (DCIS) of the breast represents a heterogeneous group of neoplastic lesions in the breast ducts. The goal for management of DCIS is to prevent the development of invasive breast cancer. This manuscript focuses on the NCCN Guidelines Panel recommendations for the workup, primary treatment, risk reduction strategies, and surveillance specific to DCIS.

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William J. Gradishar, Benjamin O. Anderson, Ron Balassanian, Sarah L. Blair, Harold J. Burstein, Amy Cyr, Anthony D. Elias, William B. Farrar, Andres Forero, Sharon Hermes Giordano, Matthew P. Goetz, Lori J. Goldstein, Steven J. Isakoff, Janice Lyons, P. Kelly Marcom, Ingrid A. Mayer, Beryl McCormick, Meena S. Moran, Ruth M. O'Regan, Sameer A. Patel, Lori J. Pierce, Elizabeth C. Reed, Kilian E. Salerno, Lee S. Schwartzberg, Amy Sitapati, Karen Lisa Smith, Mary Lou Smith, Hatem Soliman, George Somlo, Melinda Telli, John H. Ward, Dorothy A. Shead, and Rashmi Kumar

These NCCN Guidelines Insights highlight the important updates/changes to the surgical axillary staging, radiation therapy, and systemic therapy recommendations for hormone receptor–positive disease in the 1.2017 version of the NCCN Guidelines for Breast Cancer. This report summarizes these updates and discusses the rationale behind them. Updates on new drug approvals, not available at press time, can be found in the most recent version of these guidelines at NCCN.org.

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NCCN Guidelines Insights: Breast Cancer, Version 3.2018

Featured Updates to the NCCN Guidelines

Matthew P. Goetz, William J. Gradishar, Benjamin O. Anderson, Jame Abraham, Rebecca Aft, Kimberly H. Allison, Sarah L. Blair, Harold J. Burstein, Chau Dang, Anthony D. Elias, William B. Farrar, Sharon H. Giordano, Lori J. Goldstein, Steven J. Isakoff, Janice Lyons, P. Kelly Marcom, Ingrid A. Mayer, Meena S. Moran, Joanne Mortimer, Ruth M. O'Regan, Sameer A. Patel, Lori J. Pierce, Elizabeth C. Reed, Hope S. Rugo, Amy Sitapati, Karen Lisa Smith, Mary Lou Smith, Hatem Soliman, Melinda L. Telli, John H. Ward, Jessica S. Young, Dorothy A. Shead, and Rashmi Kumar

These NCCN Guidelines Insights highlight the updated recommendations for use of multigene assays to guide decisions on adjuvant systemic chemotherapy therapy for women with hormone receptor–positive, HER2-negative early-stage invasive breast cancer. This report summarizes these updates and discusses the rationale behind them.

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William J. Gradishar, Benjamin O. Anderson, Jame Abraham, Rebecca Aft, Doreen Agnese, Kimberly H. Allison, Sarah L. Blair, Harold J. Burstein, Chau Dang, Anthony D. Elias, Sharon H. Giordano, Matthew P. Goetz, Lori J. Goldstein, Steven J. Isakoff, Jairam Krishnamurthy, Janice Lyons, P. Kelly Marcom, Jennifer Matro, Ingrid A. Mayer, Meena S. Moran, Joanne Mortimer, Ruth M. O'Regan, Sameer A. Patel, Lori J. Pierce, Hope S. Rugo, Amy Sitapati, Karen Lisa Smith, Mary Lou Smith, Hatem Soliman, Erica M. Stringer-Reasor, Melinda L. Telli, John H. Ward, Jessica S. Young, Jennifer L. Burns, and Rashmi Kumar

Several new systemic therapy options have become available for patients with metastatic breast cancer, which have led to improvements in survival. In addition to patient and clinical factors, the treatment selection primarily depends on the tumor biology (hormone-receptor status and HER2-status). The NCCN Guidelines specific to the workup and treatment of patients with recurrent/stage IV breast cancer are discussed in this article.

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NCCN Guidelines® Insights: Breast Cancer, Version 4.2021

Featured Updates to the NCCN Guidelines

William J. Gradishar, Meena S. Moran, Jame Abraham, Rebecca Aft, Doreen Agnese, Kimberly H. Allison, Sarah L. Blair, Harold J. Burstein, Chau Dang, Anthony D. Elias, Sharon H. Giordano, Matthew P. Goetz, Lori J. Goldstein, Sara A. Hurvitz, Steven J. Isakoff, Rachel C. Jankowitz, Sara H. Javid, Jairam Krishnamurthy, Marilyn Leitch, Janice Lyons, Jennifer Matro, Ingrid A. Mayer, Joanne Mortimer, Ruth M. O'Regan, Sameer A. Patel, Lori J. Pierce, Hope S. Rugo, Amy Sitapati, Karen Lisa Smith, Mary Lou Smith, Hatem Soliman, Erica M. Stringer-Reasor, Melinda L. Telli, John H. Ward, Kari B. Wisinski, Jessica S. Young, Jennifer L. Burns, and Rashmi Kumar

The NCCN Guidelines for Breast Cancer include up-to-date guidelines for clinical management of patients with carcinoma in situ, invasive breast cancer, Paget disease, phyllodes tumor, inflammatory breast cancer, male breast cancer, and breast cancer during pregnancy. These guidelines are developed by a multidisciplinary panel of representatives from NCCN Member Institutions with breast cancer–focused expertise in the fields of medical oncology, surgical oncology, radiation oncology, pathology, reconstructive surgery, and patient advocacy. These NCCN Guidelines Insights focus on the most recent updates to recommendations for adjuvant systemic therapy in patients with nonmetastatic, early-stage, hormone receptor–positive, HER2-negative breast cancer.