<s>[INST] My mother had colon surgery which turned out wwell, but every time she would urinate, there would be blood in her urine. Now she had to have a 3 way catherer put in. Does this mean there is something wrog with her kidney . [/INST] Hi Charlene Welcome to HealthcareMagic. There could be possibility that she has a kidney disease associated.This would be evident by urinary test and Ultrasound of kidney.There could be chances that she had a damage to the tract during surgery.I can give you a better advice if further details like urinary test reports are provided. take care. </s>