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Results of using CxbT, CxbD and CxbR in succession to rule out patients unlikely to have UC, and to identify those who need further workup, in external validation (KP) data set. HIT=high-grade Ta, or T1–T3 or concurrent Tis; LIT=low-grade Ta or papillary urothelial neoplasm of low malignant potential. NI, no cancer present.
