Urinary tract infection (UTI) Or not?

I have uti problem, I have kidney stone 3.6mm doctor said it's not kidney effect your uti. I need to know about the problem. I do every test Ct scan, culture test, sugar test, ultrasound, uric acid test, uroflowmentary test. I have facing to much toilet at any time like excessive Urination, urgent need to go Urination,can't control Urination, so I need to know what's the major problem sir? I don't have E coli bacteria in my recent report few times ago I m facing E coli bacteria but now m recover from E coli bacteria. It's approx 1 year m facing this problem 1 year ago the stone is same approx 4mm and then gone after sometime, but after 1year m facing agin kidney stone why sir? It's problem come from kidney stone or not I need to know briefly. Can I do surgery for this thing for permanent relief . I don't have smell, burning, blood on my urine nothing like that. I have only problem is excessive urine or frequen urine maximum time, maybe it is Recurrent UTI or not? What is Recurrent UTI.