13mm A 6 Mm Stone Has Moved Slightly Distally Now

13mm a 6 mm stone has moved slightly distally now at uv junction ureteral dilation is mild at this time improved producing less obstructing than preiousley noted first er visit December 10 2016 2 painful attacks but no er visits 3 days till surgery its moved closer to the blatter on its own whats the chance it will come the rest way on it own can I postpone surgery safely thanks