Nuclear medicine vs ultrasound.
D006801:Humans; D008100:Liver Abscess / Q000175:diagnosis / Q000000981:diagnostic imaging; D008107:Liver Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011877:Radionuclide Imaging; D013369:Subphrenic Abscess / Q000175:diagnosis / Q000000981:diagnostic imaging; D014463:Ultrasonography