Keywords nonneoplastic lesion;neoplastic lesion;elevated lesion;flat and depressed lesion;pit patterns;magnifying endoscopy;early colorectal carcinoma;
英
美
- 非肿瘤性病变;肿瘤性病变;隆起性病变;平坦型病变;腺管开口;放大内镜;早期大肠癌;