By Dr. G R Manjunath, Consultant Urologist, Bengaluru Introduction: A Hidden Danger Many Forget In urology practice, Double J (DJ) stents are life-saving devices used to drain urine from the kidney to the bladder after a procedure such as ureteroscopy or stone removal. However, what most patients don’t realize is that these stents are temporary  and must be removed within a fixed period—usually between 2 weeks to 1 month . If left forgotten, a DJ stent can silently turn into