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Entero-enteric intussusception with tubular structure arising from mid-small bowel entering the intussusception alongside fat density tissue. No definite mass at the lead point. The remaining bowel appears normal. No signs of bowel obstruction. No free air or fluid. The differential is between a lipoma acting as a lead point (accounting for the fat), or the fat being just the mesentery. Due to the location along the small bowel, a Meckel diverticulum may also be considered.