In parenchymal phase the tumor density drops promptly, and in the pelvic phase the tumor density drops further.

肾实质期扫描肿瘤密度迅速减退，肾盂期扫描肿瘤密度进一步减退。

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In parenchymal phase the tumor density drops promptly, and in the pelvic phase the tumor density drops further.

肾实质期扫描肿瘤密度迅速减退，肾盂期扫描肿瘤密度进一步减退。

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