Professor Charles Swanton, the Francis Crick Institute, London, UK, whose research suggesting how PM2.5 particles may trigger lung cancer in non-smokers was presented at ESMO Congress 2022, stressed the importance of the new findings with breast cancer.

“These very small particles can penetrate deep into the lung and get into the bloodstream from where they are absorbed into breast and other tissues. There is already evidence that air pollutants can change the architecture of the breast.