Research progress of radiation-induced hypothyroidism in head and neck cancer.

J Cancer · 2021 · PMC7738994 · PMID 33391441

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a decreasing trendno p-value reported

48 observed that the thyroid volume in patients with nasopharyngeal carcinoma showed a decreasing trend after radiotherapy; the trend was more obvious after 6 months, and then gradually slowed down.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.