title: [New proposal of histologic grading of non-invasive papillary urothelial tumor].
authors.affiliation: E-mail: liang_cheng@yahoo.com.
authors.forename: Liang
authors.initials: L
authors.lastname: Cheng
authors.forename: Ming
authors.initials: M
authors.lastname: Zhao
mesh_terms: D002295:Carcinoma, Transitional Cell / Q000473:pathology*; D006801:Humans; D060787:Neoplasm Grading; D014571:Urologic Neoplasms / Q000473:pathology*