Expertise in diagnosis, classification and prognosis in breast cancer. Development of the Nottingham Prognostic Index and experience of alternative methods used to estimate life expectancy following diagnosis (causation).
President of the Pathological Society of Great Britain and Ireland, Chairman National Co-ordinating Committee for Breast Pathology, member of the British Breast Group, past Royal College of Pathologist Specialty Advisor for Breast Pathology, and Past President of the International Society of Breast Pathology.
Involved in the practice of pathology, research interest in breast disease for over thirty years. Author of over 500 peer reviewed scientific publications, the majority in the field of breast disease. Author of book chapters and text books on breast disease.