FOLH1 and prostate cancer: Indeed, various studies have shown that the use of 68Ga‐PSMA‐11, 99mTc‐PSMA I&S, IS‐002, OTL78 and IR800‐IAB2M during PSMA‐targeted prostate cancer surgery poses a risk of false‐positive results due to contaminated urine [8, 9, 11, 14, 15].