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Walk the evidence base by book and chapter — the raw source passages that ground Ask, Differential, and the rest.

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©2013 UpToDate ® Print Email Anaplastic thyroid cancer: Findings on histology (pleomorphism, mitosis) Anaplastic thyroid cancer demonstrating pleomorphism, mitosis (arrowhead), and neutrophilic infiltration (arrow). Courtesy of Ronald A Ghossein, MD.