Hi Good Day Dr!What is the meaning of these:cortex of left kidney:pelvocalyceal structures and ureters are slightly prominent bilaterally:pneumoperitoneum:I don t know what is the meaning, I check up with the doctor and i undergo to cit i stonogram. but when the result is ready, No one stone see on my kidney, pancreas, ureters, gall bladder and liver.and the doctor said i will perform voiding diary.I m so nervous and worrying about my health.I hope you will help me. Thank you so much.