A double balloon enteroscopy (DBE) then depicted a big submucosal tumor with a blood-coated ulcerative crave in the proximal jejunum.

• 双气囊小肠镜发现空肠内五公分大小的黏膜下肿瘤，其处黏膜略带有黄色，并呈局部溃疡带有血丝。