Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. This sounds to be a urinary infection from various reasons. There are various reasons for the renal pelvicalyceal system fullness as calculus in the urinary system or tumor or others. I recommend undertaking a CT scan of abdomen & pelvis and consult with report. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Bhagyesh V. Patel