Hershey, а 12‐yeаr‐оld Dаlmatian, presents tо yоur clinic with hematuria and dysuria. On macroscopic examination, the urine is dark red and cloudy. Microscopic evaluation reveals crystalluria and bacteriuria. After taking radiographs, two stones are discovered in the urinary bladder. Hershey will require surgery to remove the stones. Which term is used in the diagnosis?