FOLH1 and bone neoplasm: While recent analyses demonstrate a link between hematologic toxicity and the extent of PSMA-expressing bone tumor volume (TV) in patients with mCRPC [10], the specific prognostic value of baseline PSMA-targeted positron emission tomography (PET) parameters for prognosticating severe hematologic AEs that are critical for decision making during 177Lu- PSMA-RLT remains uncertain.