title: Retroperitoneal lymphoma appearing as a hepatic mass.
mesh_terms: D003937:Diagnosis, Differential; D005260:Female; D005710:Gallium Radioisotopes; D006801:Humans; D008113:Liver Neoplasms / Q000000981:diagnostic imaging*; D008223:Lymphoma / Q000000981:diagnostic imaging*; D008875:Middle Aged; D011877:Radionuclide Imaging; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging*
chemical_list: D005710:Gallium Radioisotopes