Most cancer occurred in the parotid gland (65 cases)and minor salivary glands of the palated (32 cases).
绝大多数发生于腮腺（65例）和腭部小涎腺（32例）。
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Objective To study the uptake and excretion function of parotid by radionuclide imaging after simultaneous modulated accelerated radiation therapy (SMART) in nasopharyngeal cancer.