cystoenterostomy

Internal drainage of pancreatic pseudocysts into some portion of the intestinal tract preferably stomach, duodenum, or small intestine. [cysto- + G. enteron, intestine, + stoma, mouth]

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cys·to·en·ter·os·to·my (sis″to-en″ter-osґtə-me) internal drainage of an adjacent cyst or pancreatic pseudocyst into the intestine.