One of the greatest challenges in the treatment of prostate cancer comes when the cancer leaves the primary site of the prostate, moves through the bloodstream, to the site of a vital organ and forms a tumour. A process known as metastases. In the London, Ontario lab of Dr. Alison Allan and Tracey Sexton research is underway to measure circulating tumour cells (CTCs) as a means of predicting which patients are at the highest risk for recurrence of prostate cancer. Dr. Allan’s lab has 1 of 6 machines in Canada capable of detecting and accurately measuring CTCs. Read more in this week’s Londoner