Here are a few:

ADT - androgen deprivation therapy (testosterone inhibitor, like Orgovyx)

ARSI - androgen receptor signaling inhibitor (blocks cancer cells from "seeing" testosterone, like Erleada)

mCRPC - metastatic castrate-resistant prostate cancer (no longer responds to ADT)

mCSPC - metastatic castrate-sensitive prostate cancer (still responds to ADT)

MO - medical oncologist (does chemotherapy)

PCa - prostate cancer

PSA - prostate-specific antigen (main screening/monitoring test)

PSE - PSA test supplemented with an epigenetic test to refine risk assessment — mainly for screening rather than surveillance

RO - radiation oncologist

RP - radical prostatectomy

RT - radiation therapy

uPSA - ultrasensitive PSA test (down to 0.01 or lower) — mainly for surveillance rather than screening