Dr Kasia Owczarczyk

Dr Kasia Owczarczyk
MBBS, MD (res), USLME, MRCP, FRCR (examination), Clinical Oncologist

Languages spoken


Expert in

Hepatobiliary, Lower GI, and Upper GI



London Cromwell Hospital
London Cromwell Hospital
51.49546, -0.19115

Dr Kasia Owczarczyk is a consultant in clinical oncology specialising in gastro-oesophageal, rectal and hepatobiliary cancers. She currently works as a consultant in Guy's and St Thomas' NHS Foundation Trust. In addition, she is part of the MR Linac SABR group at the London Cromwell Hospital.

She trained in clinical oncology at University College Hospital London and Mount Vernon Cancer Centre. She has completed a research MD, a post-doctoral fellowship at Genentech, South San Francisco and a clinical fellowship in cancer imaging at King's College London.

She was appointed as an honorary senior clinical lecturer at King's College London in 2018 and awarded the Guy's Cancer Career Development and Innovation Award in 2019. Her research includes publications in the Science TM, JCI Insights and Radiotherapy Oncology journals.

Career positions

Current position(s)
  • Consultant in Clinical Oncology, Guy's and St Thomas NHS Trust
  • Senior Honorary Clinical Lecturer, KCL

Expertise and interests

Clinical interests
  • Chemoradiotherapy and radiotherapy treatment of gastro-oesophageal cancer
  • Chemoradiotherapy and radiotherapy treatment of rectal cancer
  • Chemoradiotherapy treatment of pancreatic cancer
  • Stereotactic body radiotherapy (SBRT) including MRI guided SBRT
  • Intraluminal HDR brachytherapy of oesophageal cancer
  • predictive markers
  • Radiomics
Research interests
  • Image guided radiotherapy
  • Adaptive radiotherapy
  • Stereotactic MRI guided ablative radiotherapy (SMART)
  • Normal tissue toxicity
  • Predictive imaging markers including radiomics


  • Guy's Cancer Career Development and Innovation Award, 2019

Professional memberships