[A case report of great omental leiomyosarcoma with perforation into the jejunum].

The case is a 56-year-old woman, who came to our hospital for bloody flux as chief complaint. Small intestine radiography examination revealed findings suspected of jejunal leiomyosarcoma, but selective angiography confirmed a tumor deep-infected image with omental artery alone as arteria nutricia, leading to the diagnosis as omental tumor.