结论临床分期和肿瘤分级是有效的预后判断依据，早期诊断、早期治疗对改善肾盂癌患者的预后具有积极作用。

Conclusions tumor stage and grade are effective prognostic indicators. Early diagnosis and treatment of tumors are critical for improving the prognosis of carcinoma of renal pelvis.

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肿瘤的分级和分期由外科病理学家检查肿瘤的多个组织部位而定。

Grading and staging of the tumor is done by the surgical pathologist who will examine multiple histologic sections of the tumor.

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结论：肾透明细胞癌NOTCH1和JAG1表达均高于正常肾组织，且与肿瘤分级、分期及肿瘤大小有关。

Conclusions: The expression levels of NOTCH1 and JAG1 were higher in clear cell renal cell carcinoma than in normal kidney tissues and correlated with patients' clinical and pathological variables.

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