Development of a machine learning-based model to predict urethral recurrence following radical cystectomy: a multicentre retrospective study and updated meta-analysis.

Another intriguing finding was that a history of TURBT emerged as a predictor of UR in the meta-analysis, which may attribute to the likelihood of tumour cell shedding and urethral implantation during TURBT, supporting the theory of intraluminal seeding, although in our retrospective study, a history of TURBT did not reach statistical significance.

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