voluntarily agreement to the proposal or desires of another person

surgical removal of

the spleen

of a mild type or character that does not threaten health

or life; especially: not becoming cancerous

surgical fixation of the intestine

a small cutting tool with two sharp blades that are screwed together

surgical repair of the abdomen

to cut something open, especially a dead body or plant,

in order to study its

surgical instrument

for cutting the esophagus 

suture of the

stomach

large in spatial extent or range or scope or quantity