False-positive liver-lung scan caused by intraperitoneal free air.
D000328:Adult; D005189:False Positive Reactions; D006801:Humans; D008099:Liver / Q000000981:diagnostic imaging*; D008168:Lung / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D011027:Pneumoperitoneum / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging; D013369:Subphrenic Abscess / Q000000981:diagnostic imaging*