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Intra-abdominal leiomyosarcoma in a 75-year-old man complaining of increasing abdominal girth and abdominal pain. Axial (a) and coronal (b) contrast-enhanced CT images show a large intra-abdominal mass (straight arrows) displacing bowel loops laterally; the mass has central necrosis (*) despite prominent blood vessels. This leiomyosarcoma was metastatic at manifestation, with similar-appearing masses depicted in the liver (curved arrows on b).
