Medical term for endoscopic examination of the large intestine. Synonymous with 大腸内視鏡検査.
See also: 大腸内視鏡検査
I'm scheduled to have a colonoscopy next week.
More formal medical term for colonoscopy; 大腸カメラ検査 is a common, slightly more colloquial variant.
Compound of 大腸 (large intestine), カメラ (camera), and 検査 (examination).