MSFinals-2300

A 51-year-old woman visits her GP with complaints of diffuse abdominal pain and a single episode of haematuria. During the physical examination, the GP notes that both kidneys are enlarged and the patient experiences some discomfort. The patient is worried as her father had kidney problems around the same age. An abdominal ultrasound is ordered by the GP. What is the potential complication that this patient is most likely to be at risk of, considering the probable diagnosis?