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Figure 1. A 61-year-old man with metastatic colon carcinoma was hospitalized with small-bowel obstruction. A Cantor tube was placed in the stomach with instructions to the nurse to advance the tube gradually and periodically until it progressed into the small bowel. Two days later, a radiograph showed that the Cantor tube was knotted in the gastric lumen (Panel A) and could not be withdrawn. Endoscopy was performed (Panel B), the knot was partially untied, and the tube was removed. The flexible nature of the tube, the routine practice of blindly advancing the tube at the bedside, the apparent failure . . . [Full Text of this Article] |