Generally, fasting is required after gastrointestinal surgery, and the patient is given liquid food after passing gas. After colon cancer surgery, the patient must wait until the intestinal anastomosis heals before eating, which means that the patient can gradually resume eating five days after the surgery.
Nutritional support is given through parenteral nutrition during fasting.
Due to advances in surgical techniques, many patients can start eating earlier after surgery, but this should be decided by the doctor based on the condition.
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