Miss Harleen Deol

Miss Harleen Deol
MBBS, MRCS, MSc, DiplC, FRCS (Gen Sur) Consultant oncoplastic breast surgeon

Languages spoken


Expert in

Breast cancer







51.63871711875925, -0.30600104421020885

Miss Deol specialises in the diagnosis and management of breast cancer and other breast conditions.

Miss Deol is a Consultant Oncoplastic Breast Surgeon based at East & North Hertfordshire NHS Trust since 2011, with a Private Practice serving Hertfordshire. She has been Clinical Director for Breast Cancer in the Trust since 2020 and Chairwoman for Beds & Herts Network Cancer Group, for Cancer Alliance since 2015. In 2021, she became a member of the Association of Breast Surgery National Clinical Practice & Standard Committee.

She continues to train undergraduates and postgraduates as a Senior Clinical Tutor for University of Cambridge and sits on the Eastern Deanery Specialist Training Committee. She joined the GenesisCare Breast CRG in June 2021.

Having qualified as a doctor from Barts and the Royal London in 1997, Miss Deol was the first woman to enter the Royal London Hospital general surgical rotation in over 20 years. Further senior specialist general surgical training was in the highly regarded North-East Thames rotation in London, where she also undertook a paediatric surgery fellowship at the Royal London Children’s Hospital.

Specialising in breast surgery, she gained extensive training in numerous London breast units and the Royal Marsden Hospital (Sutton), prior to being awarded a prestigious British Association of Surgical Oncology Oncoplastic Breast Surgery National Fellowship.

In addition, Miss Deol has presented her research work at national and international medical conferences, as well as being a contributing author of a chapter in a surgical oncology textbook.

Miss Deol is an active trainer and examiner for junior surgeons and medical students, specialising in the teaching of clear communication to patients, women’s health, breast surgery and general surgery. (University of Cambridge, University College Hospital London, Barts and The Royal London Hospital Medical Schools and London Deanery Senior Surgical Trainees.

Miss Deol’s approach is to provide clear and concise information and explanations to her patients, up-to-date and evidence-based treatment, focusing on the medical management of breast cancer, psychological support for patients through their treatment and a range of innovative surgical methods appropriately.

As a consultant breast surgeon, she incorporates the latest plastic surgery techniques in the management of breast cancer (oncoplastic breast surgery), allowing for an improved cosmetic outcome and breast appearance after surgery. These have the proven benefit of better psychological recovery from the impact of breast surgery.

Miss Deol treats breast problems of any nature, benign or cancerous and patients with a family history of breast cancer. She performs immediate and delayed breast reconstructions and symmetrisation surgery (breast reduction or augmentation) in patients with breast cancer.

Career positions

Current position(s)

  • Consultant oncoplastic breast surgeon, East and North Herts NHS Trust

Expertise and interests


  • Breast surgery
  • General surgery

Professional associations

  • Association Of Breast Surgeons
  • British Association of Surgical Oncology
  • East & North Herts NHS Trust



  • Being awarded as a British Association of Surgical Oncology Oncoplastic Breast Surgery National Fellowship