Self-expanding metallic stents drainage for acute proximal colon obstruction

Figure 1 A typical transverse colon cancer patient with resectable liver metastasis. A: Emergent colonoscopy found a tumor in the middle of transverse colon blocked tunnel; B: The 0.052-inch guidewire is introduced through the tumor (arrow) beyond the point of obstruction; C: Self-expanding metallic stents is placed in the obstruction; D: Computed tomography found a liver metastasis in the right liver. After obstruction was relieved, the patients underwent radical transverse colectomy and partial right lobectomy.