Q: My primary-care doctor sent me for a blood test and said my prostate-specific antigen number was too high, then sent me to a urologist. The urologist said I am retaining urine in the bladder. After ...

A urostomy is an abdominal wall opening that allows urine to leave the body through a stoma. A nephrostomy is a temporary tube to drain urine directly from one or both kidneys. A urostomy takes the ...