1) Operation 2) Surgery 3) Surgical operation 4) Surgical procedure 5) Surgical process 
Gastrostomy is the creation of an artificial external opening into the stomach for nutritional support or gastrointestinal compression. Typically this would include an incision in the patient`s epigastrium as part of a formal operation. It can be performed through surgical approach, percutaneous approach by interventional radiology, or percutaneo....
• (n.) The operation of making a permanent opening into the stomach, for the introduction of food.
(gas-tros´tә-me) the creation of an opening into the stomach, done to provide for the administration of food and liquids when stricture of the esophagus or other conditions make swallowing impossible.
Gas·tros'to·my noun [ Gastro- + Greek ... mouth.] (Surg.) The operation of making a permanent opening into the stomach, for the introduction of food. 
Type: Term Pronunciation: gas-tros′tŏ-mē Definitions: 1. Establishment of a new opening into the stomach.
Gastrostomy: A surgical opening into the stomach. This opening may be used for feeding usually via a feeding tube called a gastrostomy tube. This can also be done by percutaneous endoscopic gastrostomy (PEG). PEG is a surgical procedure for placing a feeding tube but does not necessitate doing an open laparotomy (operation on the abdomen). The aim ...
A gastrostomy is a surgical formation of an artificial opening into the stomach from the skin surface, which is then used for feeding.
[n] - surgical creation of an opening through the abdominal wall into the stomach (as for gastrogavage)
the surgical creation of an opening in the abdominal wall into the stomach for drainage or a feeding tube 
noun surgical creation of an opening through the abdominal wall into the stomach (as for gastrogavage)
A surgical opening into the stomach. This opening may be used for feeding usually via a feeding tube called a gastrostomy tube. This can also be done by percutaneous endoscopic gastrostomy (PEG). PEG is a surgical procedure for placing a feeding tube but does not necessitate doing an open laparotomy (operation on the abdomen). The aim of PEG (as wi...
a surgically created opening in the stomach and the abdominal muscles. A tube is passed through these openings, into the stomach, to allow for feeding of a person who cannot eat normally.