A 45-year-old male with a history of recurrent flank pain pr…

A 45-year-old male with a history of recurrent flank pain presents to the emergency department with a sudden onset of severe, colicky left flank pain radiating to his groin. He also reports associated nausea, vomiting, and visible blood in his urine. An ultrasound of the left kidney is performed , what is the most likely diagnoses?