“胃发炎”

“is consistent with the symptoms of acute gastroenteritis.”

“He said it was gastritis, an old problem. But it looks more like a gastric ulcer to me.”

“But you should treat your chronic stomach problem properly when you have time.”

“He has acute gastritis. It's best not to take medicine on an empty stomach.”

“Acid reflux again?”

“and the inner walls of his esophagus and stomach showed abnormal ulceration.”