Dr Vasileios Angelis

Dr Vasileios Angelis is a Consultant Medical Oncologist in Breast Cancer at St Bartholomew's Hospital, Barts Health NHS Trust and an expert witness. His principal areas of clinical expertise include the management of early and metastatic breast cancer, systemic anticancer therapies, acute oncology, immunotherapy, targeted therapies and endocrine treatments, with a particular interest in delivering personalised treatment strategies for patients with complex breast malignancies.

His current clinical practice is focused on the comprehensive management of adults with breast cancer across the entire disease pathway, from early-stage disease through to advanced and metastatic cancer. He has extensive experience in the use of neoadjuvant and adjuvant therapies, cytotoxic chemotherapy, endocrine therapy, immunotherapy and targeted treatments, tailoring systemic therapy to tumour biology and individual patient characteristics. His practice also includes the management of treatment-related toxicities, acute oncology presentations and patients with oligometastatic disease, ensuring evidence-based care throughout diagnosis, treatment and long-term follow-up.

Alongside his clinical work, Dr Angelis combines an active research and educational role with day-to-day patient care. As Module Leader for the Breast Cancer module on the MSc in Oncology programme at the Institute of Cancer Research and a lecturer at Queen Mary University of London, he contributes to the education of future oncology specialists while remaining actively involved in clinical trials that continue to shape modern breast cancer treatment. 

Dr Vasileios Angelis has undertaken medico-legal work since 2024, providing independent expert opinion in Clinical Negligence claims on behalf of both claimants and defendants. His practice focuses on matters arising from the diagnosis and management of breast cancer and the delivery of systemic anticancer therapies, supported by formal medico-legal training and an active consultant practice in a leading tertiary oncology centre.

He prepares screening, breach of duty, causation and condition and prognosis reports, offering objective, evidence-based opinions on the standard of oncological care, treatment decisions and patient outcomes. His medico-legal expertise encompasses early and metastatic breast cancer, systemic anticancer therapy, chemotherapy, endocrine therapy, immunotherapy, targeted therapies and the management of treatment-related toxicities. He is also able to advise on issues relating to acute oncology, geriatric oncology and complex therapeutic decision-making. Drawing on his current clinical practice and involvement in breast cancer research and clinical trials, Dr Angelis provides clear, balanced opinions that assist solicitors in understanding complex oncology cases and the application of contemporary standards of cancer care. 

Dr Angelis' current clinical practice is centred on the management of adults with early and metastatic breast cancer, delivering personalised systemic anticancer treatment across the full patient pathway. He spends the majority of his clinical time assessing patients, developing treatment strategies and managing complex therapeutic regimens, including neoadjuvant and adjuvant therapies, chemotherapy, endocrine therapy, immunotherapy and targeted treatments. His practice also includes the ongoing monitoring and management of treatment response, disease progression and therapy-related toxicities, ensuring patients receive evidence-based care tailored to the biological characteristics of their disease.

Alongside specialist breast oncology, he has expertise in acute oncology, geriatric oncology and the management of patients with oligometastatic disease. He has a particular interest in the application of genetics to breast cancer treatment, helping to guide personalised treatment decisions where appropriate. His involvement in clinical trials ensures that his practice remains informed by the latest therapeutic developments, enabling him to integrate emerging evidence into routine clinical care. This combination of specialist clinical expertise, research activity and multidisciplinary working allows him to manage complex breast cancer cases using contemporary treatment strategies designed to optimise both survival and quality of life. 

Dr Angelis combines an active academic and teaching role with ongoing breast cancer research. He is Module Leader for the Breast Cancer module on the MSc in Oncology programme at the Institute of Cancer Research, University of London, and lectures at Queen Mary University of London. He has authored multiple peer-reviewed publications and is actively involved in breast cancer clinical trials advancing systemic anticancer therapies and patient outcomes.