gastrocolostomy

Establishment of a communication between stomach and colon usually secondary to gastric ulcer disease or a malignant process in either the colon or stomach. [gastro- + G. kolon, colon, + stoma, mouth]

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gas·tro·co·los·to·my (gas″tro-kə-losґtə-me) [gastro- + colostomy] 1. surgical creation of an opening between the stomach and the colon. 2. the opening so created.