Dr Jason Lester

Dr Jason Lester is a senior consultant Clinical Oncologist in South Wales. He trained and qualified in United Medical and Dental Schools of Guy’s & St Thomas’s in 1993. He completed his general medical training in London and the South East of England before moving to Wales in 1997. He joined Velindre Cancer Centre in 1997 and completed his Clinical Oncology training in 2003.

He is a Member of The Royal College of Physicians (1997) and a Fellow of The Royal College of Radiologists (2001).


Dr Lester was appointed as a consultant Oncologist in 2003, specialising in the management of lung (non-small cell, small cell, mesothelioma) and urological (prostate, kidney, bladder) cancers. His NHS practice is based in South East Wales, with clinics in The Royal Gwent Hospital Newport, Univeristy Hospital Llandough, Cardiff and Velindre Cancer Centre, Cardiff. He is an Associate Clinical Director at Velindre and Director of Stepping Stones, the Wales-based lung cancer charity.


Dr Lester is available for private consultations in his private clinic held at Velindre Cancer Centre, Cardiff. Please follow the following link for further information


Dr Lester has 13 years consultant experience in the management of lung and urological cancers.

Lung cancer expertise includes:

Chemotherapy, targeted therapies and immunotherapy for advanced lung cancer. Stereotactic radiotherapy for Non-small cell lung cancer (NSCLC), which is the most common type of lung cancer.
Radiotherapy and chemoradiotherapy for locally advanced small cell and NSCLC.
Advanced radiotherapy techniques.
The treatment of malignant mesothelioma.
Clinical trials.

Urological expertise includes:

Prostate brachytherapy, advanced prostate radiotherapy.
The systemic treatment of advanced prostate cancer.
The treatment of advanced kidney cancer with targeted therapies.
The treatment of bladder cancer with radiotherapy, chemotherapy and combined modality therapy.