Iodine staining under endoscopic examination had promoted the early detection of EC and precancerous lesions.

　
英 美
  • 粘膜顏色改變：分紅區和白區；(2)粘膜增厚和血管結構改變；(3)粘膜形態(tài)改變：糜爛、斑塊、粗糙和結節。
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