Best tests on second biopsy samples in the UK

I (54) am due for a second biopsy on confirmed Pca with initial 3+4=7 from 2021. Currently on active surveillance. Recent MRI, T2a, PSA stable around 4.5 for the past 4 years. recent PSA 4.0. What are the tests and techniques that I should request in my biopsy clinic. Thanks