Abstract Background There are few reports describing the unusual origin of the inferior mesenteric artery (IMA). We report a rare case of advanced sigmoid colon cancer with the IMA arising from the superior mesenteric artery. Case presentation A 59-year-old man with diarrhea and abdominal distention was diagnosed with advanced sigmoid colon cancer. https://www.getpureroutine.com/hot-save-color-touch-77-45-cheap-limited-grab/