Complex sentence: A common form of gastric bypass surgery is the Roux-en-Y gastric bypass, where a small stomach pouch is created with a stapler device and connected to the distal small intestine.
Split into simpler sentences: A common form of gastric bypass surgery is the Roux-en-Y gastric bypass. Where a small stomach pouch is being created with a stapler device and connected to the distal small intestine.