Any stone would be harmful
Are you serious ?????????? Its 13mm, you said it in the question.
6mm obvious
A 6mm stone would be a.75 carat diamond.
approximately 1
A kidney stone can cause damage to the kidney.
A patient who has had a single kidney stone has about a 50% chance of developing another stone. Whether you will develop a second kidney stone in the opposite kidney, depends in part on the reason for the formation of the stones.
No
You obviously just peed out your kidney stone you have had in your kidney/ureters. It means you had a kidney stone
You break apart a kidney stone with ultrasonic waves.
Nothing is wrong with your kidneys and spleen.
It is likely you will be in pain as long as you have the kidney stone.
This "stone" is a solid.