liver
gastr/o
append
-ectomy
transplantation
scopy
bi
sigmoido
anasto
abdomino
polyp
-centesis
opsy
-ectomy
mosis
scopy
cholecyst
bowel
gastr/o
esophag/o
scopy
-ectomy
tomy
resection
hemorrhoid
col/o
colon/o
-stomy
-ectomy
-scopy