Dr Jason Lester, Consultant Oncologist


Oncology Care

Consultant oncologist Dr Jason Lester, specialises in treating prostate cancer, lung cancers, and mesothelioma. He is committed to providing advice and bespoke treatment plans that are patient-centred and based on the latest research. Dr Lester played a pivotal role in the development and introduction of proton beam therapy (PBT) for prostate cancer in the UK.

Dr Jason Lester Consultant Oncologist and specialist in Proton Beam Therapy

personalised care

Dr Lester’s treatment approach

Dr Lester takes a personalised approach to treatment, tailoring each patient’s treatment plan to their specific needs and goals. He considers a wide range of factors when developing treatment plans, including the type of cancer, the stage of cancer, the patient’s overall health, and treatment goals.

Dr Lester is a passionate advocate for his patients and is committed to providing them with the best possible care. He firmly believes in patient education and involves patients in all aspects of their care. He is known for his ability to connect with his patients and understand their fears and concerns. He takes the time to explain treatment options in a way that patients can understand and is always available to answer questions and provide support.

conditions treated

Dr Lester’s areas of expertise

Dr Lester specialist in prostate cancer

prostate cancer

Dr Lester has experience in overseeing advanced radiotherapy (including PBT, SABR and MR Linac), hormone therapy, chemotherapy, targeted therapies, radioisotopes and immunotherapy.

Dr Lester specialist in lung cancer

lung cancer

Treatments offered include stereotactic radiotherapy, MR Linac radiotherapy, chemotherapy, targeted therapies, and immunotherapy for lung cancer.

Dr Lester specialist in urological cancers


Dr Lester has a special interest in mesothelioma. He is respected as expert in the field and has experience in using NHS and non-NHS funded treatments, seeing patients from across the UK.


Incredible doctor. I am so glad I found Dr Lester. Treatment has been incredible and care is outstanding.


Prostate cancer patient, 2023

Meet Dr Jason Lester

Meet Dr Lester

Dr Lester understands there are a bewildering array of cancer treatments offered to patients and is committed to providing straightforward advice and treatment plans that are compassionate, comprehensive and based on the latest research.

private clinics

Clinic Locations

Dr Lester is available for private consultations in London, Bristol, Newport (South Wales) and Swansea.

Dr Lester Clinics

Make an appointment with Dr Lester

Contact us today to enquire about seeing Dr Lester in clinic, and explore the range of treatment options available to you.