KLK3 and neoplasm: Finally, a pivotal study by Bian et al. [27] aimed to predict the short term prognosis (i.e., PSA ≥ 0.1 ng/mL at 4–8 weeks after prostatectomy) according to the tumor microenvironment characterization, specifically investigating periprostatic adipose tissue, by pre-operative [18F]F-PSMA-1007 PET/CT.