Dr Tony Dhillon, Consultant Medical Oncologist

Dr Tony Dhillon

Consultant Medical Oncologist

Tony is a Consultant Medical Oncologist at the Royal Surrey County Hospital in Guildford and Senior Lecturer in Oncology at the University of Surrey. He specialises in colorectal, pancreatic, liver and gallbladder/bile duct cancers.

Tony has an active research programme as is working in collaboration with the Royal Marsden Hospital and the Institute of Cancer Research. He is the chief investigator for major Immunotherapy trials in colorectal cancer- High POLE and POLEM. In bowel cancer, he is interested in sub-types which maybe more sensitive to checkpoint inhibitor drugs. These groups include microsatellite instability- high patients (MSI-High) caused by the loss of DNA mismatch repair activity and mutations in the DNA and pathogenic variants in two proofreading DNA repair genes POLD1 and POLE. Both these groups have an ultramutated phenotype.

Tony is on the UK NCRI Clinical studies group for colorectal cancer and leads for colon cancer research in Kent Surrey and Sussex. Previously Tony has been Senior Lecturer in Oncology at Imperial College London.