I Had Pancreatic Stones Removed 3 Days Ago He Also

I had pancreatic stones removed 3 days ago he also put a stint in the duct which he said would be permanent before the surgery the the following day he said he put a temporary 1 in there and will put 2 others in with 6 weeks between them is there such a thing as a temporary every time I ask him to explain what hes going to do to me he raises his voice and tells me let him be the doctor