Problem
HelloThanks for query. Your mother has been detected to have simple Renal cyst in her Rt kidney and 20 ml of residual urine in bladder. It is common to have residual urine in females after the age of menopause due to incomplete emptying of bladder secondary to Post Menopausal Urethral Stenosis which gets infected causing (Cystitis)The presence of RBC in urine is due to infection of the bladder (Cystitis) that she has and not due to cyst These cysts are benign in nature. Get her urine culture done and start appropriate antibiotics as per culture report to control the bladder infection. Chat Doctor.