Sleeve gastrectomy is a weight-loss surgery where around 80% of the stomach is surgically removed. The smaller stomach gives a feeling of fullness early following a meal.Thus, it restricts the amount of food taken and contributes to weight reduction. This surgery is often performed in individuals who are too obese for other weight-loss surgeries. It results in some weight loss and makes the person eligible to undergo another weight-loss surgery. Here is an animation to help you understand the surgical steps of sleeve gastrectomy.