decubitus ulcers褥疮;褥疮溃疡
corneal ulcers角膜溃疡
chronic ulcers慢性溃疡
Esophageal Ulcers食管溃疡
hematopoietic ulcers造血病性溃疡
tuberculosis ulcers结核性疮疡
ileal ulcers回肠多发性溃疡
leg ulcers小腿溃疡;腿溃疡;下肢溃疡;腿部溃疡
abomasal ulcers皱胃溃疡
N-COUNT（可数名词） An ulcer is a sore area on the outside or inside of your body which is very painful and may bleed or produce a poisonous substance. 溃疡
In addition to headaches, you may develop stomach ulcers as well.
除了头痛，你还可能患上胃溃疡。