title: The subtraction scan for detecting liver involvement in cancer patients.
mesh_terms: D003201:Computers; D005710:Gallium Radioisotopes; D006801:Humans; D008113:Liver Neoplasms / Q000000981:diagnostic imaging*; D008433:Mathematics; D011877:Radionuclide Imaging; D013667:Technetium
chemical_list: D005710:Gallium Radioisotopes; D013667:Technetium