Ulcer

An ulcer forms in the stomach.

I have an ulcer in my mouth.

When you start taking medicine it begins working on symptoms, like pain, right away, but that doesn't mean that the ulcer heals right away.

I have an ulcer.

How's your ulcer, Tom?

A woman in your situation could easily develop an ulcer.

I've probably got an ulcer.

I think I've got an ulcer.

Tom has an ulcer.

An ulcer is an inflammation.