Christos Kontovounisios GENERAL SURGEON Director of the 2nd Surgical Department

• “The role of neurotensin in acute abdomen and especially in ischemic mesentery” University of Athens, School of Medicine.

• Member of the Athens Medical Association Member
• Member of the Hungarian Medical Association Member
• Member of the Hellenic Surgical Society
• Fully registered medical Practitioner-General Medical Council
• Member of the Medical Association of Cyprus
• Member of the European Society of Coloproctology
• Member of the Cypriot Surgical Association, Member
• Member of European Association of Endoscopic Surgery (EAES) Member
• Member of the Association of Coloproctology of Great Britain and Ireland
• Member of the Greek Society of Coloproctology
• Member of the American College of Surgeons
• Positions of Responsibility:
  • Visiting Reader , Division of Surgery and Cancer , Imperial College
  • Clinical Senior Lecturer in Colorectal Surgery , Division of Surgery and Cancer , Imperial College
  • Senior Tutor Postgraduate Taught Programmes , Division of Surgery and Cancer , Imperial College
  • Colorectal module lead Masters in Surgical innovation, Division of Surgery and Cancer , Imperial College
  • EAES representative at Multi-society Guidelines for Flexible Endoscopy.
  • EAES representative at Multi-society Guidelines for Complete Mesocolic Excision for right side colon cancers.
  • EAES representative at Multidisciplinary European Guideline on the assessment and management of gastrointestinal outcomes following surgery for colorectal cancer (EAES/ESPCG/ESPEN/ESNM/ESSO/ESCP).
  • Educational supervisor of 3rd, 4th and final year Imperial College medical student in surgical attachments at Chelsea Westminster hospital Campus
  • Member of the European Association of Endoscopic Surgery (EAES) Research Committee
  • Visiting Professor 2021 -2022, Department of Advanced Medical and Surgical Sciences, Università degli Studi della Campania ‘Luigi Vanvitellii’, Naples, Italy
  • Head of Robotic Colorectal Surgery Programme at Chelsea Westminster Hospital
  • Member of EAES Rapid Guideline: Complete mesocolic excision for right-sided colon cancer with SAGES and ESCP participation
  • Member of Surgical Quality Assurance EAES consensus panel for laparoscopic appendectomy
  • Member of the Examiner Board Ministry of Health, Greece for appointment of consultant surgeons at the National Health System
  • Board Member of the Greek Society of Coloproctology
  • Head of the scientific committee of the Greek National Bowel Screening Programme
  • Member of the Central Board of Health (KESY) for Oncology , Ministry of Health Greece
  • Treasurer Greek Chapter , American College of Surgeons ( ACS )
  • International Editor at ‘Surgery’ journal

Editorial Boards

• International Editor Surgery
• Techniques in Coloproctology
• Journal of Clinical Medicine
• Frontiers in Surgery – Visceral Surgery
• Annals of Laparoscopic and Endoscopic Surgery
• Hellenic Journal of Surgery ( HJS )
• Section Editor for International Journal of Colorectal Disease

Current :

• Director of the 2nd Surgical Department HYGEIA Hospital, Athens, Greece
• Adjunct Professor, Department of SurgeryNYU Grossman School of Medicine, New York
• Former Head of Surgery 2^nd Surgical Department Evaggelismos , Athens General Hospital , Greece
• Visiting Reader (Associate Professor ) , Department of Surgery and Cancer  Faculty of Medicine, Imperial College London
• Senior Clinical Lecturer (Assistant Professor ) , Department of Surgery and Cancer  Faculty of Medicine, Imperial College London 2018-2024
• Consultant Colorectal Surgeon The Royal Marsden Hospital, London, from 2016-2024
• Consultant Colorectal Surgeon Chelsea and Westminster Hospital, London, from 2016-2024
• Colorectal Senior Fellow- Robotic Colorectal Fellowship The Royal Marsden Hospital, April 2015- February 2016
• Colorectal Specialist Registrar Chelsea and Westminster Hospital, London, October 2014- April 2015
• Research Colorectal Surgical Registrar Barnet and Chase Farm Hospital NHS Trust, April 2014- October 2014
• Colorectal Specialist Registrar The Royal Marsden Hospital, April 2013- April 2014
• Colorectal Specialist Registrar St.Mary’s Hospital, Imperial College Healthcare NHS Trust, October 2012- April 2013
• General Surgery Specialist Registrar The North West London Hospital, Northwick Park Hospital, July 2012 – October 2012
• Clinical Attachment-Honorary Clinical Fellow- Colorectal The Royal Marsden Hospital, January 2012- July 2012
• General Surgery Residency Program, Greek National Ministry of Health and Welfare.(6 year program including Basic Surgery Training, Accident and Emergency and Advance SpR Training in General Surgery with specialties rotation) 2nd Surgical Department and Surgical Oncology Unit, “Korialenio Mpenakio” E.E.S” Athens General Hospital, January 2007- January 2012
• Surgical Resident Naval Hospital of Athens (NNA), December 2005 – June 2006

Education Experience

• Visiting Professor 2021 -2022, Department of Advanced Medical and Surgical Sciences, Università degli Studi della Campania ‘Luigi Vanvitellii’, Naples, Italy
• Visiting Reader , Department of Surgery and Cancer  Faculty of Medicine, Imperial College London since 01/2024
• Senior Clinical Lecturer, Division of Surgery, Department of Surgery and Cancer, Imperial College since 01/2018.
• Honorary Senior Clinical Lecturer, Division of Surgery, Department of Surgery and Cancer, Imperial College since 04/2016.
• Honorary Clinical Lecturer, Division of Surgery, Department of Surgery and Cancer, Imperial College since 10/2015.
• Honorary Clinical Research Fellow in the Division of Surgery, Department of Surgery and Cancer, Imperial College since 11/2014

Specialized in the treatment of colorectal cancer, inflammatory bowel disease and other benign and complex colorectal conditions. Committed in providing advanced, patient-centered care, using minimally invasive techniques including laparoscopic and robotic surgery, to help reduce recovery time and improve outcomes.

Fully committed in academic surgery, research, education with clinical interest in robotic colorectal and  pelvic  exenterative surgery for locally advanced and recurrent malignant  disease.

Awarded Research Grants

• 2025: 1st price – Hellenic Journal of Surgery & Surgery .Title: Perioperative outcomes and morbidity following pelvic exenteration surgery: a single centre experience.
• 2024 : 1ST place – Best Video presentation , 16th Greek- Cypriot Surgical conference , Cyprus
• 2022: Visiting Professor 2021 -2022, Department of Advanced Medical and Surgical Sciences, Università degli Studi della Campania ‘Luigi Vanvitellii’, Naples, Italy
• 2022 :Service development award at the British Society of Gastroenterology 2022. Title: The one-stop ileoanal pouch surgery clinic: a multidisciplinary patient centred approach
• 2021: 1st place – Best Oral Presentation 9TH DILEMMAS & DEBATES in Colorectal Surgery , London , UK Title: The role of 3D modelling technology in recognition of colorectal tumor deposits
• 2021: 1st place – Best Oral Presentation KARL STORZ award , 29th International EAES Congress, November 2021 , Barcelona , Spain. Title: The role of 3D modelling technology in recognition of colorectal tumor deposits
• 2020 : Colorectal Surgery Team winner in The Royal Marsden’s Staff Awards for 2020
• 2020 : 1st place – Best oral presentation 28th International EAES Congress | ,Kraków, Poland | 24 – 27 June 2020. Title: New take on N1c – the use of 3D modelling to depict extranodal tumour deposits in rectal cancer
• 2019: 2nd place abstract presentation at 2019 IEEE International Conference on Robotics and Automation , Montreal, Canada. Title: Soft Haptics for the Simulation of Physical Examinations: A Case Study for Sphincter Tone Rendering
• 2018: Best Publication of the year 2018- Colorectal Diseases, ESCP 2018 Title: The effect of adjuvant chemotherapy on survival and recurrence after curative rectal cancer surgery in patients who are histologically node negative after neoadjuvant chemoradiotherapy
• 2018: Charles M.Balch MD Endowed International Fellowship in Surgical Oncology – Johns Hopkins Department of Surgery
• 2014: Eugene N,Bricker Award winner at the 2014 Annual Meeting of the Society of Pelvic Surgeons for the best new member presentation. Title: Comparison of technique and long-term outcomes of hand sewn coloanal anastomosis for low rectal cancer
• 2012: Award of the Hellenic Surgical Society for the best publication published in the   Hellenic Journal of Surgery in 2011. Title: Dehiscence, Stenosis and Local Recurrence after Anterior    Resection in Relation to the Level of Rectal     A Systematic Review
• 2008: Award of the Hellenic Surgical Society for the best scientific announcement at the 26th Panhellenic Congress of Surgery, International Surgical Forum 2008. Title: Early steroid withdrawal in liver transplantation: A Meta-analysis and Meta regression of outcomes.

• Digital Surgery ( SPRINGER )

Chapter : 3D Simulation and Modelling for Surgeon Education and Patient Engagement

• Emergency Crosscover of Surgical Specialties (Cambridge Scholars Publishing )

Chapter : General Surgery

• Surgical Management of Advanced Pelvic Cancers (Wiley-Blackwell; 1st edition

Chapter : Minimally Invasive Pelvic Exenteration

• Corman and Steele’s Colon and Rectal Surgery 7th edition (Lippincott Williams & Wilkins (LWW)

Chapter: Technical Tips and Tricks in the Pelvis in Colorectal Surgery

• Total peer-reviewed manuscripts to date: 226
• Total number of citations to date: 8891 (Google scholar)
• H-index = 35 (Scopus)
• H-index = 42 (Google scholar)

Recent 10 publications :

1. Robotic surgery for Crohn’s disease: educational value and quality of online video re-sources

Georgios Giannos , Ayesha Unadkat , Christos Kontovounisios , Nicola de’Angelis , Valerio Celentano

Surg Endosc. 2025 Nov 19. doi: 10.1007/s00464-025-12385-x ( IF: 3.75 )

2. Immunotherapy-Induced Complete Response in dMMR Rectal Cancer-A Surgical Dilem-ma?

Panagiotis Loufopoulos, Konstantinos Perivoliotis , Danai Chatziathanasiou , Maximos Froun-tzas, Anisha Sukha, Abdullah Alrebdi, Mohammad Mahmoud Rajab Eddama, Christos Kontovounisios, Shengyang Qiu, Paris Tekkis , Shahnawaz Rasheed

Cancers (Basel). 2025 Sep 28;17(19):3153. doi: 10.3390/cancers17193153 ( IF: 6.575 )

3. Non-invasive breath testing to detect colorectal cancer: protocol for a multicentre, case-control development and validation study (COBRA2 study)

Michael G Fadel, James Murray, Georgia Woodfield, Ilaria Belluomo, Ivan Laponogov, Aaron Parker, Valerio Converso, James K Ellis, Pete Wheatstone , Julie Hepburn , Chris Groves, Kevin Monahan , Brian P Saunders , Patrik Španěl, Kirill Veselkov , Amanda J Cross , Chris-tos Kontovounisios , Linda D Sharples , George B Hanna ; COBRA2 Collaborators ( IF: 3.4 )

BMC Cancer. 2025 Jul 29;25(1):1230. doi: 10.1186/s12885-025-14520-2

4. Outcomes of intended temporary stomas in Crohn’s disease (INTESTINE study): interna-tional, multicentre, retrospective study

Claire Perrott, Giacomo Calini , Alice Gori , Matteo Rottoli , Maria E Flacco , Lamberto Manzoli , Zoe Garoufalia , Steven D Wexner , Christos Kontovounisios , Muhammed Elhadi, Valerio Celentano

BJS Open. 2025 May 7;9(3):zraf010. doi: 10.1093/bjsopen/zraf010 w ( IF: 3.5 )

5. Development of an evaluation framework for robotic total mesorectal excision videos: a review and comparison of medical professional and public video resources

Zohaib Arain, Michael G Fadel, Aksaan Arif, Henry Douglas Robb, Bibek Das, Liam Poynter, Christos Kontovounisios, Hutan Ashrafian, Daniel Lawes, Matyas Fehervari

Int J Colorectal Dis. 2025 May 24;40(1):127. doi: 10.1007/s00384-025-04914-w ( IF: 15.3 )

6. EAES rapid guideline: complete mesocolic excision for right-sided colon cancer-with SAG-ES and ESCP participation

Stavros A Antoniou, Francesco Maria Carrano, Alexander A Tzanis, Konstantinos Perivoliotis, Sunjay S Kumar, Christos Christogiannis, Dimitris Mavridis, Bright Huo, Nicole Bouvy, Niki Christou, Suzanne Dore, Audrius Dulskas, Christos Kontovounisios, Tim Lubbers, Frances-co Palazzo, Philip Quirke, Dimitra Repana , Monica Terlizzo , Bethany J Slater, Ivan D Florez, Monica Ortenzi, Tan Arulampalam

Surg Endosc. 2025 May 12. doi: 10.1007/s00464-025-11782-6 ( IF: 3.75 )

7. A systematic review, meta-analysis and GRADE assessment of the evidence on complete mesocolic excision for right-sided colon cancer with SAGES and ESCP participation

Alexander A Tzanis , Francesco Maria Carrano, Konstantinos Perivoliotis , Sunjay S Kumar, Christos Christogiannis , Dimitris Mavridis, Bright Huo, Nicole Bouvy, Niki Christou, Suzanne Dore, Audrius Dulskas, Christos Kontovounisios, Tim Lubbers, Francesco Palazzo, Philip Quirke, Dimitra Repana, Monica Terlizzo , Bethany J Slater, Ivan D Florez, Monica Ortenzi, Tan Arulampalam, Stavros A Antoniou

Surg Endosc. 2025 May 5. doi: 10.1007/s00464-025-11749-7 ( IF: 3.75 )

8. Extended pharmacological thromboprophylaxis and clinically relevant venous thrombo-embolism after major abdominal and pelvic surgery: international, prospective, propensi-ty score-weighted cohort study

EuroSurg Collaborative and STARSurg Collaborative

Br J Surg. 2025 Mar 4;112(3):znaf005. doi: 10.1093/bjs/znaf005 ( IF: 8.7)

9. Essential components and validation of multi-specialty robotic surgical training curricula: a systematic review

Josephine Walshaw, Michael G Fadel, Matthew Boal, Marina Yiasemidou, Muhammed Elhadi, Francesca Pecchini, Francesco Maria Carrano, Lisa H Massey, Matyas Fehervari, Omar Khan, Stavros A Antoniou, Felix Nickel, Silvana Perretta, Hans F Fuchs, George B Hanna, Nader K Francis, Christos Kontovounisios

Int J Surg. 2025 Feb 4. doi: 10.1097/JS9.0000000000002284 ( IF: 15.3 )

10. Variation in the surgical management of complicated diverticulitis: a cross-sectional study of European surgeons

Bright Huo, Lisa H Massey, Georgios Seitidis, Dimitris Mavridis, Stavros A Antoniou, EAES Diverticulitis Survey Advisory Group

Surg Endosc. 2024 Dec 24. doi: 10.1007/s00464-024-11456-9 ( IF: 3.75 )