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In most cases, the non working kidney is not removed from the original place but the new and working kidney is placed at some other position so that it can work from there and for this it is necessary to create blood supply for the newly positioned kidney. Doctor usually connect the renal artery and vein of the new kidney to the iliac artery and vein. The ureter of new kidney is connected to the bladder of recepient. This process takes 3 hours to complete. 
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