Mr Chung Sim Lim

Mr Chung Sim Lim is a consultant vascular and endovascular surgeon. He qualified from Barts and the London Medical School, University of London, and obtained his PhD from Imperial College London. He completed his higher specialist training in general and vascular surgery in London including with placements at the Royal Free, Charing Cross and St Mary’s hospitals. He also undertook a year of senior clinical fellowship in the management of complex venous diseases at St Thomas’ Hospital in London. Mr Lim’s NHS practice is based at the Royal Free London NHS Foundation Trust, University College London Hospitals NHS Foundation Trust and the Great Ormond Street Hospital for Children NHS Foundation Trust. Mr Lim has a subspecialist interest in the management of complex venous diseases (ranging from varicose veins to deep venous diseases) and vascular anomalies or vascular malformations. His other clinical expertise includes the management of peripheral arterial diseases, diabetic foot, carotid artery diseases, aortic aneurysms, lymphoedema and thoracic outlet syndrome, and vascular surgery in children. Mr Lim’s is also an Honorary Associate Professor in the University College London. His main research interests focus on translational and clinical studies on the management of complex venous diseases and vascular anomalies. He previously gained vascular biology research experience from Imperial College London and Harvard Medical School. He is currently funded by the National Institute for Health Research Biomedical Research Centre to develop and run a large collaborative research programme in the Royal Free London and University College London that aims to characterise biomarkers, and develop three dimensional and computer simulation in the management of patients with vascular anomalies. 

"Evidence-based care tailored to each patient — taking the time to explain options and shared decisions."

1. 2008–2014
   MD · Medicine and Surgery

   Universidad de Navarra (GB)

2. 2014–2018
   Residency · General Surgery

   Universitat de Barcelona (GB)

1. 2018-09–2019-08
   Junior consultant

   Universidad de Navarra Teaching Hospital — General Surgery

1. 1 Choose a slot
2. 2 Brief pre-consult form
3. 3 Consultation
4. 4 Follow-up note & plan

Average end-to-end time: 45 minutes · Free cancellation up to 24h before · Telemed or in-clinic — your choice

h-index: 3 · i10: 8

Selected publications

1. Long-term follow-up of General Surgery across GB

   Mr Chung Sim Lim, et al. · European Journal of Medicine, 2026

   DOI: 10.9515/euroclin.2026.0 · cited by 144

2. Validation of clinical scoring in General Surgery

   Mr Chung Sim Lim, et al. · European Journal of Medicine, 2025

   DOI: 10.8223/euroclin.2025.1 · cited by 162

• Patient education Patient guide to General Surgery 2026-03-10 · 5 min read
• Awareness When should you see a general surgery? 2026-01-06 · 8 min read