My son age 27 year suffering from left side pain nearby kidney , pain coming from back to front side, CT scan of KUB and Spine done both report showing normal position. No disorder detected . Before one month he was suffering from fever , Malaria was not detected , he was admitted in hospital and Falsi injection with glucose are given by doctor. He was operated for appendix before 3 year, digestive system is weak presently. some doctor say it is infection. Now the pain as shows above are not reducing please guide me for further treatment please.