Papillary renal neoplasm with reverse polarity: a novel entity for the next WHO classification? a clinical-pathological and molecular study of 15 cases, compared to eosinophilic/oncocytic papillary renal cell carcinoma. - Marletta S; Fiorini D; Caliò A; Marcolini L; Stefanizzi L; Giacometti C; Pedron S; Vicentini C; Martignoni G (Virchows Archiv : an international journal of pathology, 2026)