溃疡的affected by or involving ulcers (= breaks in the skin, or on the surface of an organ inside the body, that do not heal naturally)
The area is healing well and appears not to be becoming ulcerative. 该处愈合良好，似乎没有形成溃疡。
An endoscopy revealed an ulcerative tumour. 内窥镜检查发现一个溃疡性肿瘤。