ECP 2023 Final Programme

Poster Sessions a Wednesday 109 ECP 2023 Dublin Wednesday, 13Sept PS-26 018 Development and validation of a machine learning model for detection and classifica- tion of tertiary lymphoid structures (TLS) in renal cell carcinoma (RCC) to predict clinical outcome Israa Laklouk, USA 019 PD-L1 expression heterogeneity in localized renal cell carcinoma tumours and its prognostic value for predicting metastatic progression: evidence from multi-region sampling Israa Laklouk, USA M. Lee, D. Jarrard, T. Borza, G. Allen, K. Richards, W. Huang, E. Abel, D. Shapiro 020 mTOR mutated eosinophilic renal cell carcinoma: a distinct tumour characterized by mTOR mutation, loss of chromosome 1, and cathepsin K expression responsive to target therapy Stefano Marletta, Italy A. Caliò, G. Settanni, A. Pesci, S. Fratoni, F. Pierconti, M. Raspollini, A. Marchetti, G. Martignoni 021 Cathepsin-K immunostaining and eosino- philic renal tumours: two clones in comparison Filippo Maria Martelli, Italy A. Caliò, S. Pasinato, S. Marletta, S. Pedron, N. Santonicco, G. Martignoni 023 Impact of cribriform pattern 4 and intraductal carcinoma on CAPRA-S post-prostatectomy patient stratification Ngoc-Nhu Jennifer Nguyen, Canada K. Iczkowski, K. Liu, K. Lajkosz, T. van der Kwast, M. Downes 024 MTAP status in a non-muscle invasive bladder cohort: correlation with grade, subtype and progression Alexander Oberc, Canada E. Olkhov-Mitsel, E. Slodkowska, K. Craddock, M. Downes 025 Transrectal ultrasound prostate biopsy is associated with higher rates of Gleason grade group concordance in prostatic adenocarcinoma compared with trans- perineal biopsy: a retrospective cohort series from a tertiary referral centre Paul Reddy, Ireland N. Swan, T. Crotty, D. Galvin 026 Predictors of cancer-specific mortality in pT1 urothelial bladder cancer: 50 months follow-up in 284 cases Ana Ristic Petrovic, Serbia S. Stojnev, M. Potic Floranovic, I. Conic, M. Krstic, L. Jankovic Velickovic 027 Low-grade oncocytic tumour of the kidney – clinical, pathological, and genetic features Fanni Sánta, Hungary D. Dénes, Á. Somorácz, A. Jenei, G. Fórika, A. Fintha, N. Kránicz, Z. Mészáros, F. Salamon, K. Eizler, N. Giba, D. Semjén, B. Pósfai, A. Sejben, L. Kuthi 028 Prognostic significance of death receptors expression in primary and recurrent T1 bladder cancer Slavica Stojnev, Serbia M. Krstic, A. Ristic Petrovic, I. Conic, I. Petkovic, J. Todorovic, M. Mladenovic, L. Jankovic Velickovic