One of my testes is very small than the other one

Dear Customer
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Is it ok to have one testes smaller than the other ?
if the difference is slight , then its totally normal especially if you have no other symptoms accompanied 
- but if the size difference is huge , or you have other symptoms accompanied , then you have to consult doctor soon
What to do next ?
1. consult a urology doctor to do the needed medical examinations and determine the treatment pathway
2. medical tests include : physical examinations , blood and hormone levels test , imaging test ( US or DOPPLER ) , semen fluid test 
3. usually smeller testes can be cause by having an obstruction or low blood flow to 
4. usually if any medical issue found , its treated by surgery 
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Kind Regards