weight gain after gallbladder removal, The procedure involves the need for surgical gas to fill the stomach cavity. This is done to make it large enough to perform the procedure. However, every attempt is made to remove this gas from the body post-surgery, but some air remains left inside. This is the reason why patients experience uncomfortable bloating post-surgery. It is normal to have some swelling occur after the surgery, although it is an unpreventable effect but is temporary and completely manageable with the following recommendations.