Fig. 17From: Endoscopic stenting of malignant, benign and iatrogenic colorectal disorders: a primer for radiologistsSpontaneous stent migration. In a patient with endoscopically impassable sigmoid CRC (arrowhead in initial water enema CT, a) with liver metastases (not shown) at diagnosis, multidisciplinary consultation opted to postpone surgical resection after neoadjuvant chemotherapy. A SEMS (thick arrow) was positioned endoscopically under radiologic guidance (b) and allowed relief of LBO, clinical improvement and start of chemotherapy. A month later, the patient experienced evacuation of the SEMS with stools and radiographs (c) confirmed SEMS loss [adapted from Open Access Ref. [38]Back to article page