



Urology
Siân Allen is a full-time Consultant Urological Surgeon at University College Hospital, London. In addition to her broad background in general urology, Siân has developed a subspecialist practice in EndoUrology and Stone disease, treating complex cases from across the UK.
As well as performing minimally invasive surgery to remove kidney and bladder stones, she has a wide practice treating patients with obstructed kidneys from a variety of causes including malignancy, gynaecological disease and radiotherapy.