Tumour spread through the obturator foramen.
D006801:Humans; D008297:Male; D008654:Mesothelioma / Q000000981:diagnostic imaging / Q000556:secondary*; D008875:Middle Aged; D010386:Pelvic Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary*; D010534:Peritoneal Neoplasms / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed