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AJCC Cancer Staging Manual pp 77–87Cite as

Thyroid

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Summary of Changes

Tumor staging (T) has been revised and the categories redefined.

T4 is now divided into T4a and T4b.

Nodal staging (N) has been revised.

All anaplastic carcinomas are considered T4. The T4 category for anaplastic carcinomas is divided into T4a (intrathyroidal anaplastic carcinoma—surgically resectable) and T4b (extrathyroidal anaplastic carcinoma—surgically unresectable).

For papillary and follicular carcinomas, the stage grouping for patients older than 45 has been revised. Stage III includes tumors with minimal extrathyroid extension. Stage IVA includes tumors of any size extending beyond the thyroid capsule to invade subcutaneous soft tissues, larynx, trachea, esophagus OR recurrent laryngeal nerve. Stage IVB includes tumors that invade prevertebral fascia, carotid artery, or mediastinal vessels. Stage IVC includes advanced tumors with distant metastasis. J

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Authors and Affiliations

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    American Joint Committee on Cancer

    Editor information

    Editors and Affiliations

    1. Department of General Surgery, Carolinas Medical Center, Charlotte, North Carolina, USA

      Frederick L. Greene M.D. (Chair) (Chair)

    2. Vanderbilt University Medical Center, Nashville, Tennessee, USA

      David L. Page M.D. (Professor of Pathology and Epidemiology) (Professor of Pathology and Epidemiology)

    3. Department of Surgery, University of Tennessee Health Science Center, Memphis, Tennessee, USA

      Irvin D. Fleming M.D. (Professor) (Professor)

    4. Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, Maryland, USA

      April G. Fritz C.T.R., R.H.I.T.

    5. The Johns Hopkins School of Medicine, Baltimore, Maryland, USA

      Charles M. Balch M.D. (Professor of Surgery and Oncology) (Professor of Surgery and Oncology)

    6. University of Pennsylvania Health System, Philadelphia, Pennsylvania, USA

      Daniel G. Haller M.D. (Professor of Medicine, Associate Chief for Clinical Affairs) (Professor of Medicine, Associate Chief for Clinical Affairs)

    7. Lynn Sage Breast Center, School of Medicine, Northwestern University, Chicago, Illinois, USA

      Monica Morrow M.D. (Professor of Surgery and Director) (Professor of Surgery and Director)

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    © 2002 Springer Science+Business Media New York

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    American Joint Committee on Cancer. (2002). Thyroid. In: Greene, F.L., et al. AJCC Cancer Staging Manual. Springer, New York, NY. https://doi.org/10.1007/978-1-4757-3656-4_8

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    • DOI: https://doi.org/10.1007/978-1-4757-3656-4_8

    • Publisher Name: Springer, New York, NY

    • Print ISBN: 978-3-540-00595-7

    • Online ISBN: 978-1-4757-3656-4

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