FOLH1 and neoplasm: However, the potential value of PET/MR imaging for HCC may be liver-specific or malignant-tumor-related radiotracers (i.e., choline), such as a prostate-specific membrane antigen for detecting prostate cancer or CXC chemokine receptor type 4-based radiotracers for solid malignant tumors or hematologic malignancies, which can provide unique information about tumor pathophysiology.