Some national data showed that renal pelvic cancer accounted for 31.7% of malignant renal tumors in the same period between 1952 and 1991, and the incidence rate showed a trend of increasing every decade, from 1.9 cases/year (1950s) to 7.8 cases/year (1990s).
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What is the relationship between microorganisms in the human body and upper tract urothelial carcinoma?
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