Mr. Chen called in sick today because his gastritis flared up again overnight.

陳先生今天請病假，因為他的胃炎昨晚又發作了。

The insurance claim covers two clinic visits for gastritis treatment during your business trip.

這筆保險理賠涵蓋您出差期間兩次因胃炎看診的費用。

After her gastritis diagnosis, Lisa asked the caterer for mild meals at the conference.

被診斷出胃炎後，Lisa 請外燴廠商在研討會上提供清淡的餐點。