i had sever kidney pain n went to hospital xrays showed kidney stones they put in stent to open urea tube n hope to flush out stones but so far nothing,, drinking alot n on flomax n peracocete pain killer may need Laser surgery to blast stones ..will it be painful ?iam in very bad pain now when i urinate or walk around i think from stent can anyone help iam peeing blood but it has been clearing up a little i called they said i need to wait a while till irriation in kidney heals i have appoint 23rd for doc to blast stones if i don!t pass them ,,i was told i stone is 7 centimeters is that large? maybe 3 in there thanks for any help