Technically, it can be. Reasons for removing the pancreas might include cancer or trauma (such as a car accident). The pancreas is responsible for producing digestive enzymes and the body's supply of insulin. Without it, you would become a Type-1 Diabetic and would need to take insulin shots and digestive enzymes.
Yes
yes
Surgically.
The pancreas and duodenum (part of the small intestine) are removed.
yes it can, it has to be surgically removed.
No, ribs do not grow back if surgically removed. Unlike certain tissues in the body, ribs are bones that do not regenerate after being surgically excised. Once removed, the body may adapt to the absence of the rib, but the bone itself will not reappear.
Appendix
Pancreas
The uterus can be surgically removed through either the vagina or the abdominal wall.
You cannot live without a pancreas.
Nobut you can get a tattoo surgically removed.
No; lymph nodes can be surgically removed.