A minor high-grade component in non-invasive papillary urothelial carcinoma is not associated with a more indolent behaviour
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Aims: The latest WHO edition proposed using a cut-off of ≥5% high-grade component (%HGc) as a criterion to label non-invasive papillary urothelial carcinomas as high-grade (pTaHG). It also suggested that tumours with minor high-... ...
