[1] Following a fellowship at Harvard Medical School, he was appointed consultant surgeon at Westminster Hospital in 1960, taking the place of Cade.
His other appointments included being foundation Professor of Surgery at the Royal Marsden Hospital, and the Dean of the Institute of Cancer Research, where he established a Sarcoma Unit.
[1] At the time that Westbury was working with Cade it was believed that in the surgical treatment of cancer, the more tissue that was removed the better the outcome would be.
[1] He specialised in the treatment of sarcomas, and his surgical technique was, wherever possible, to leave some muscle tissue to preserve a degree of function.
[4] Westbury continued similar interdisciplinary clinics where surgeons worked with colleagues from other disciplines, an approach that has been shown to result in better outcomes.