noun
gastrocamera; gastroscope; upper GI endoscope
Refers to the medical instrument itself, a camera used to examine the stomach and upper digestive tract.
医者は胃カメラを使って胃の内部を調べた。
The doctor examined the inside of the stomach using a gastrocamera.
noun
gastroscopy; upper GI endoscopy
Refers to the procedure or examination itself, often used in phrases like 胃カメラを受ける (to undergo a gastroscopy).
来週、胃カメラの検査を受ける予定です。
I'm scheduled to have a gastroscopy next week.